157907492 has 12 divisors (see below), whose sum is σ = 292593420. Its totient is φ = 74309376.

The previous prime is 157907483. The next prime is 157907501. The reversal of 157907492 is 294709751.

It is an interprime number because it is at equal distance from previous prime (157907483) and next prime (157907501).

It can be written as a sum of positive squares in 2 ways, for example, as 123520996 + 34386496 = 11114^2 + 5864^2 .

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1161017 + ... + 1161152.

It is an arithmetic number, because the mean of its divisors is an integer number (24382785).

Almost surely, 2^157907492 is an apocalyptic number.

It is an amenable number.

157907492 is a deficient number, since it is larger than the sum of its proper divisors (134685928).

157907492 is a wasteful number, since it uses less digits than its factorization.

157907492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2322190 (or 2322188 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 44.

The square root of 157907492 is about 12566.1247805360. The cubic root of 157907492 is about 540.5064886719.

The spelling of 157907492 in words is "one hundred fifty-seven million, nine hundred seven thousand, four hundred ninety-two".