156151165 has 8 divisors (see below), whose sum is σ = 191951928. Its totient is φ = 121873920.

The previous prime is 156151157. The next prime is 156151169. The reversal of 156151165 is 561151651.

It can be written as a sum of positive squares in 4 ways, for example, as 8139609 + 148011556 = 2853^2 + 12166^2 .

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

It is not a de Polignac number, because 156151165 - 2³ = 156151157 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 (156151169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 380652 + ... + 381061.

It is an arithmetic number, because the mean of its divisors is an integer number (23993991).

Almost surely, 2^156151165 is an apocalyptic number.

It is an amenable number.

156151165 is a deficient number, since it is larger than the sum of its proper divisors (35800763).

156151165 is an equidigital number, since it uses as much as digits as its factorization.

156151165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761759.

The product of its digits is 4500, while the sum is 31.

The square root of 156151165 is about 12496.0459746273. The cubic root of 156151165 is about 538.4950839933.

It can be divided in two parts, 156 and 151165, that added together give a square (151321 = 389²).

The spelling of 156151165 in words is "one hundred fifty-six million, one hundred fifty-one thousand, one hundred sixty-five".