157170424 has 16 divisors (see below), whose sum is σ = 295205400. Its totient is φ = 78448992.

The previous prime is 157170379. The next prime is 157170469. The reversal of 157170424 is 424071751.

It is an interprime number because it is at equal distance from previous prime (157170379) and next prime (157170469).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12039 + ... + 21430.

Almost surely, 2^157170424 is an apocalyptic number.

It is an amenable number.

157170424 is a deficient number, since it is larger than the sum of its proper divisors (138034976).

157170424 is a wasteful number, since it uses less digits than its factorization.

157170424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34062 (or 34058 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 157170424 is about 12536.7628995686. The cubic root of 157170424 is about 539.6641990890.

The spelling of 157170424 in words is "one hundred fifty-seven million, one hundred seventy thousand, four hundred twenty-four".