157132915 has 4 divisors (see below), whose sum is σ = 188559504. Its totient is φ = 125706328.

The previous prime is 157132903. The next prime is 157132931. The reversal of 157132915 is 519231751.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 519231751 = 43 ⋅12075157.

It is a cyclic number.

It is not a de Polignac number, because 157132915 - 2⁵ = 157132883 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15713287 + ... + 15713296.

It is an arithmetic number, because the mean of its divisors is an integer number (47139876).

Almost surely, 2^157132915 is an apocalyptic number.

157132915 is a deficient number, since it is larger than the sum of its proper divisors (31426589).

157132915 is an equidigital number, since it uses as much as digits as its factorization.

157132915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31426588.

The product of its digits is 9450, while the sum is 34.

The square root of 157132915 is about 12535.2668499717. The cubic root of 157132915 is about 539.6212650678.

It can be divided in two parts, 15713291 and 5, that added together give a square (15713296 = 3964²).

The spelling of 157132915 in words is "one hundred fifty-seven million, one hundred thirty-two thousand, nine hundred fifteen".