157162565 has 32 divisors (see below), whose sum is σ = 227252736. Its totient is φ = 102009600.

The previous prime is 157162561. The next prime is 157162567. The reversal of 157162565 is 565261751.

It is not a de Polignac number, because 157162565 - 2² = 157162561 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 (157162561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80339 + ... + 82271.

It is an arithmetic number, because the mean of its divisors is an integer number (7101648).

Almost surely, 2^157162565 is an apocalyptic number.

It is an amenable number.

157162565 is a deficient number, since it is larger than the sum of its proper divisors (70090171).

157162565 is a wasteful number, since it uses less digits than its factorization.

157162565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2069.

The product of its digits is 63000, while the sum is 38.

The square root of 157162565 is about 12536.4494574820. The cubic root of 157162565 is about 539.6552039877.

It can be divided in two parts, 15716 and 2565, that added together give a palindrome (18281).

The spelling of 157162565 in words is "one hundred fifty-seven million, one hundred sixty-two thousand, five hundred sixty-five".