157111285 has 16 divisors (see below), whose sum is σ = 201260160. Its totient is φ = 117391680.

The previous prime is 157111267. The next prime is 157111301. The reversal of 157111285 is 582111751.

It is not a de Polignac number, because 157111285 - 2²¹ = 155014133 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, 4902 + ... + 18391.

It is an arithmetic number, because the mean of its divisors is an integer number (12578760).

Almost surely, 2^157111285 is an apocalyptic number.

It is an amenable number.

157111285 is a deficient number, since it is larger than the sum of its proper divisors (44148875).

157111285 is a wasteful number, since it uses less digits than its factorization.

157111285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23388.

The product of its digits is 2800, while the sum is 31.

The square root of 157111285 is about 12534.4040544415. The cubic root of 157111285 is about 539.5965035602.

The spelling of 157111285 in words is "one hundred fifty-seven million, one hundred eleven thousand, two hundred eighty-five".