156149879 has 16 divisors (see below), whose sum is σ = 170589600. Its totient is φ = 142826112.

The previous prime is 156149867. The next prime is 156149893. The reversal of 156149879 is 978941651.

It is not a de Polignac number, because 156149879 - 2⁴ = 156149863 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 (156149849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181352 + ... + 182210.

It is an arithmetic number, because the mean of its divisors is an integer number (10661850).

Almost surely, 2^156149879 is an apocalyptic number.

156149879 is a deficient number, since it is larger than the sum of its proper divisors (14439721).

156149879 is an frugal number, since it uses more digits than its factorization.

156149879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947 (or 913 counting only the distinct ones).

The product of its digits is 544320, while the sum is 50.

The square root of 156149879 is about 12495.9945182446. The cubic root of 156149879 is about 538.4936057109.

The spelling of 156149879 in words is "one hundred fifty-six million, one hundred forty-nine thousand, eight hundred seventy-nine".