157164901 has 4 divisors (see below), whose sum is σ = 157389804. Its totient is φ = 156940000.

The previous prime is 157164883. The next prime is 157164971. The reversal of 157164901 is 109461751.

157164901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 55860676 + 101304225 = 7474^2 + 10065^2 .

It is a cyclic number.

It is not a de Polignac number, because 157164901 - 2¹⁷ = 157033829 is a prime.

It is a super-2 number, since 2×157164901² = 49401612212679602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157164971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111400 + ... + 112801.

It is an arithmetic number, because the mean of its divisors is an integer number (39347451).

Almost surely, 2^157164901 is an apocalyptic number.

It is an amenable number.

157164901 is a deficient number, since it is larger than the sum of its proper divisors (224903).

157164901 is an equidigital number, since it uses as much as digits as its factorization.

157164901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224902.

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 157164901 is about 12536.5426254610. The cubic root of 157164901 is about 539.6578777124.

The spelling of 157164901 in words is "one hundred fifty-seven million, one hundred sixty-four thousand, nine hundred one".