75123445 divided by 144 
We want to figure out the number of times 75123445 can be divided by 144.

Moving on to step 1:
7 divided by 144 is 0 with a remainder of 7.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
The remainder is 7 after subtracting 0 from 7.
Grab the next digit (5) from the dividend, add it to 7, then carry on: 75 / 144

On to step 2:
144 goes into 75 0 times with a remainder of 75.
Use 0 as the next digit of our solution. 
Result so far: 0.0
The remainder is 75 after subtracting 0 from 75.
Include the next digit (1) from the dividend after 75, then repeat: 751 / 144

Moving on to step 3:
144 goes into 751 5 times with a remainder of 31.
The next digit of our result is 5. 
Result so far: 5.0
Subtract 720 from 751 to get 31.
Append the next digit (2) from the dividend to 31 and continue with: 312 / 144

On to step 4:
When dividing 312 by 144, we get 2 with a remainder of 24.
Put 2 as the next digit of the answer. 
Result so far: 52.0
If we take 288 away from 312, we end up with 24.
Fetch the next digit (3) from the dividend, attach it to 24 and continue: 243 / 144

Moving on to step 5:
When dividing 243 by 144, we get 1 with a remainder of 99.
The next digit of our result is 1. 
Result so far: 521.0
Subtract 144 from 243 to get 99.
Include the next digit (4) from the dividend after 99, then repeat: 994 / 144

Going ahead to step 6:
If we divide 994 by 144, we get 6 and a remainder of 130.
Put 6 as the next digit of the answer. 
Result so far: 5216.0
Deduct 864 from 994 and we're left with 130.
Grab the next digit (4) from the dividend, add it to 130, then carry on: 1304 / 144

Moving on to step 7:
1304 divided by 144 is 9 with a remainder of 8.
The number 9 becomes the next digit in our result. 
Result so far: 52169.0
The remainder is 8 after subtracting 1296 from 1304.
Grab the next digit (5) from the dividend, add it to 8, then carry on: 85 / 144

On to step 8:
If we divide 85 by 144, we get 0 and a remainder of 85.
Record the quotient 0 as the next digit in the result. 
Result so far: 521690.0
If we take 0 away from 85, we end up with 85.
Since there are no more digits in the dividend, we add a zero to the remainder making it 850, and continue the process.

Advancing to step 9:
The number 144 fits into 850 5 times, leaving a remainder of 130.
Put 5 as the next digit of the answer. 
Result so far: 521690.5
Subtracting 720 from 850 leaves us with 130.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1300, and continue the process.

Let's proceed to step 10:
1300 divided by 144 is 9 with a remainder of 4.
Use 9 as the next digit of our solution. 
Result so far: 521690.59
If we subtract 1296 from 1300, we get 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

On to step 11:
144 goes into 40 0 times with a remainder of 40.
The next digit of our result is 0. 
Result so far: 521690.59
The remainder is 40 after subtracting 0 from 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

Going ahead to step 12:
400 divided by 144 is 2 with a remainder of 112.
Record the quotient 2 as the next digit in the result. 
Result so far: 521690.5902
The remainder is 112 after subtracting 288 from 400.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1120, and continue the process.

Advancing to step 13:
The number 144 fits into 1120 7 times, leaving a remainder of 112.
Put 7 as the next digit of the answer. 
Result so far: 521690.59027
If we take 1008 away from 1120, we end up with 112.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1120, and continue the process.

On to step 14:
If we divide 1120 by 144, we get 7 and a remainder of 112.
Record the quotient 7 as the next digit in the result. 
Result so far: 521690.590277
If we take 1008 away from 1120, we end up with 112.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1120, and continue the process.

The quotient of the division is 521690.590277, and the remainder is 1.12e-05.