151565157 has 6 divisors (see below), whose sum is σ = 218927462. Its totient is φ = 101043432.

The previous prime is 151565129. The next prime is 151565173. The reversal of 151565157 is 751565151.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 130165281 + 21399876 = 11409^2 + 4626^2 .

It is not a de Polignac number, because 151565157 - 2⁶ = 151565093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151565257) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8420278 + ... + 8420295.

Almost surely, 2^151565157 is an apocalyptic number.

It is an amenable number.

151565157 is a deficient number, since it is larger than the sum of its proper divisors (67362305).

151565157 is a wasteful number, since it uses less digits than its factorization.

151565157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16840579 (or 16840576 counting only the distinct ones).

The product of its digits is 26250, while the sum is 36.

The square root of 151565157 is about 12311.1801627626. The cubic root of 151565157 is about 533.1709244637.

The spelling of 151565157 in words is "one hundred fifty-one million, five hundred sixty-five thousand, one hundred fifty-seven".