Question

what is the value of 1 in the number 153732991

Answer 1

It is either in the ones place or the hundred millions place

Answer 2

There's 2 1's in the number, which 1 are you looking for?

Here are the answer for both the 1's:

The 1 in ones place, the place is ones, and the value is 1.
The 1 in hundred million, the place is hundred million, and the value is 100,000,000