157097517 has 16 divisors (see below), whose sum is σ = 211219008. Its totient is φ = 103858560.

The previous prime is 157097483. The next prime is 157097519. The reversal of 157097517 is 715790751.

It is a happy number.

It is not a de Polignac number, because 157097517 - 2⁷ = 157097389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157097519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274842 + ... + 275412.

It is an arithmetic number, because the mean of its divisors is an integer number (13201188).

Almost surely, 2^157097517 is an apocalyptic number.

It is an amenable number.

157097517 is a deficient number, since it is larger than the sum of its proper divisors (54121491).

157097517 is a wasteful number, since it uses less digits than its factorization.

157097517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180.

The product of its (nonzero) digits is 77175, while the sum is 42.

The square root of 157097517 is about 12533.8548340086. The cubic root of 157097517 is about 539.5807410989.

The spelling of 157097517 in words is "one hundred fifty-seven million, ninety-seven thousand, five hundred seventeen".