Q: What is the negative version of the number 644,023,145?
A: -644,023,145
Negative numbers are usually written with - in front of them. They represent a number that is less than zero.
Here are more examples of negative numbers in sequence:
644,023,143 | 644,023,144 | 644,023,146 | 644,023,147 |
-644,023,143 | -644,023,144 | -644,023,146 | -644,023,147 |