157972075 has 12 divisors (see below), whose sum is σ = 207408600. Its totient is φ = 118943360.

The previous prime is 157972051. The next prime is 157972081. The reversal of 157972075 is 570279751.

It is not a de Polignac number, because 157972075 - 2⁹ = 157971563 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 185425 + ... + 186274.

It is an arithmetic number, because the mean of its divisors is an integer number (17284050).

Almost surely, 2^157972075 is an apocalyptic number.

157972075 is a deficient number, since it is larger than the sum of its proper divisors (49436525).

157972075 is a wasteful number, since it uses less digits than its factorization.

157972075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371726 (or 371721 counting only the distinct ones).

The product of its (nonzero) digits is 154350, while the sum is 43.

The square root of 157972075 is about 12568.6942440335. The cubic root of 157972075 is about 540.5801663512.

The spelling of 157972075 in words is "one hundred fifty-seven million, nine hundred seventy-two thousand, seventy-five".