157972375 has 16 divisors (see below), whose sum is σ = 215074080. Its totient is φ = 114888000.

The previous prime is 157972363. The next prime is 157972387. The reversal of 157972375 is 573279751.

It is an interprime number because it is at equal distance from previous prime (157972363) and next prime (157972387).

It is a de Polignac number, because none of the positive numbers 2^k-157972375 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56070 + ... + 58819.

It is an arithmetic number, because the mean of its divisors is an integer number (13442130).

Almost surely, 2^157972375 is an apocalyptic number.

157972375 is a deficient number, since it is larger than the sum of its proper divisors (57101705).

157972375 is a wasteful number, since it uses less digits than its factorization.

157972375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114915 (or 114905 counting only the distinct ones).

The product of its digits is 463050, while the sum is 46.

The square root of 157972375 is about 12568.7061784418. The cubic root of 157972375 is about 540.5805085509.

The spelling of 157972375 in words is "one hundred fifty-seven million, nine hundred seventy-two thousand, three hundred seventy-five".