156045871 has 4 divisors (see below), whose sum is σ = 156087000. Its totient is φ = 156004744.

The previous prime is 156045863. The next prime is 156045887. The reversal of 156045871 is 178540651.

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

It is a cyclic number.

It is not a de Polignac number, because 156045871 - 2³ = 156045863 is a prime.

It is a super-2 number, since 2×156045871² = 48700627712297282, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 156045871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156045821) 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 3 ways as a sum of consecutive naturals, for example, 14221 + ... + 22678.

It is an arithmetic number, because the mean of its divisors is an integer number (39021750).

Almost surely, 2^156045871 is an apocalyptic number.

156045871 is a deficient number, since it is larger than the sum of its proper divisors (41129).

156045871 is an equidigital number, since it uses as much as digits as its factorization.

156045871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41128.

The product of its (nonzero) digits is 33600, while the sum is 37.

The square root of 156045871 is about 12491.8321714631. The cubic root of 156045871 is about 538.3740195734.

The spelling of 156045871 in words is "one hundred fifty-six million, forty-five thousand, eight hundred seventy-one".