157864292 has 12 divisors (see below), whose sum is σ = 277573296. Its totient is φ = 78557640.

The previous prime is 157864283. The next prime is 157864297. The reversal of 157864292 is 292468751.

It is a happy number.

It is a super-2 number, since 2×157864292² = 49842269377322528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (157864297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92678 + ... + 94365.

It is an arithmetic number, because the mean of its divisors is an integer number (23131108).

Almost surely, 2^157864292 is an apocalyptic number.

It is an amenable number.

157864292 is a deficient number, since it is larger than the sum of its proper divisors (119709004).

157864292 is a wasteful number, since it uses less digits than its factorization.

157864292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187258 (or 187256 counting only the distinct ones).

The product of its digits is 241920, while the sum is 44.

The square root of 157864292 is about 12564.4057559441. The cubic root of 157864292 is about 540.4571939664.

The spelling of 157864292 in words is "one hundred fifty-seven million, eight hundred sixty-four thousand, two hundred ninety-two".