157538692 has 6 divisors (see below), whose sum is σ = 275692718. Its totient is φ = 78769344.

The previous prime is 157538669. The next prime is 157538699. The reversal of 157538692 is 296835751.

It can be written as a sum of positive squares in only one way, i.e., 79852096 + 77686596 = 8936^2 + 8814^2 .

It is not an unprimeable number, because it can be changed into a prime (157538699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19692333 + ... + 19692340.

Almost surely, 2^157538692 is an apocalyptic number.

It is an amenable number.

157538692 is a deficient number, since it is larger than the sum of its proper divisors (118154026).

157538692 is a wasteful number, since it uses less digits than its factorization.

157538692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39384677 (or 39384675 counting only the distinct ones).

The product of its digits is 453600, while the sum is 46.

The square root of 157538692 is about 12551.4418295270. The cubic root of 157538692 is about 540.0853683050.

The spelling of 157538692 in words is "one hundred fifty-seven million, five hundred thirty-eight thousand, six hundred ninety-two".