157022757 has 12 divisors (see below), whose sum is σ = 228543744. Its totient is φ = 103881960.

The previous prime is 157022753. The next prime is 157022773. The reversal of 157022757 is 757220751.

It is not a de Polignac number, because 157022757 - 2² = 157022753 is a prime.

It is a super-2 number, since 2×157022757² = 49312292431762098, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157022753) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65413 + ... + 67770.

It is an arithmetic number, because the mean of its divisors is an integer number (19045312).

Almost surely, 2^157022757 is an apocalyptic number.

It is an amenable number.

157022757 is a deficient number, since it is larger than the sum of its proper divisors (71520987).

157022757 is a wasteful number, since it uses less digits than its factorization.

157022757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133320 (or 133317 counting only the distinct ones).

The product of its (nonzero) digits is 34300, while the sum is 36.

The square root of 157022757 is about 12530.8721563984. The cubic root of 157022757 is about 539.4951351272.

The spelling of 157022757 in words is "one hundred fifty-seven million, twenty-two thousand, seven hundred fifty-seven".