Q: What is the negative version of the number 145,721,820?
A: -145,721,820
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:
| 145,721,818 | 145,721,819 | 145,721,821 | 145,721,822 |
| -145,721,818 | -145,721,819 | -145,721,821 | -145,721,822 |