157244908 has 6 divisors (see below), whose sum is σ = 275178596. Its totient is φ = 78622452.

The previous prime is 157244897. The next prime is 157244929. The reversal of 157244908 is 809442751.

It is a super-2 number, since 2×157244908² = 49451922183856928, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19655610 + ... + 19655617.

Almost surely, 2^157244908 is an apocalyptic number.

It is an amenable number.

157244908 is a deficient number, since it is larger than the sum of its proper divisors (117933688).

157244908 is a wasteful number, since it uses less digits than its factorization.

157244908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39311231 (or 39311229 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 157244908 is about 12539.7331710049. The cubic root of 157244908 is about 539.7494356517.

The spelling of 157244908 in words is "one hundred fifty-seven million, two hundred forty-four thousand, nine hundred eight".