156112431 has 8 divisors (see below), whose sum is σ = 217200000. Its totient is φ = 99549912.

The previous prime is 156112409. The next prime is 156112433. The reversal of 156112431 is 134211651.

It is a happy number.

156112431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 156112431 - 2¹⁴ = 156096047 is a prime.

It is a super-2 number, since 2×156112431² = 48742182225459522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156112433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1131181 + ... + 1131318.

It is an arithmetic number, because the mean of its divisors is an integer number (27150000).

Almost surely, 2^156112431 is an apocalyptic number.

156112431 is a deficient number, since it is larger than the sum of its proper divisors (61087569).

156112431 is a wasteful number, since it uses less digits than its factorization.

156112431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2262525.

The product of its digits is 720, while the sum is 24.

The square root of 156112431 is about 12494.4960282518. The cubic root of 156112431 is about 538.4505549340.

The spelling of 156112431 in words is "one hundred fifty-six million, one hundred twelve thousand, four hundred thirty-one".