156438364 has 24 divisors (see below), whose sum is σ = 287350560. Its totient is φ = 74378304.

The previous prime is 156438361. The next prime is 156438379. The reversal of 156438364 is 463834651.

156438364 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156438361) 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, 11002 + ... + 20830.

It is an arithmetic number, because the mean of its divisors is an integer number (11972940).

Almost surely, 2^156438364 is an apocalyptic number.

It is an amenable number.

156438364 is a deficient number, since it is larger than the sum of its proper divisors (130912196).

156438364 is a wasteful number, since it uses less digits than its factorization.

156438364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10029 (or 10027 counting only the distinct ones).

The product of its digits is 207360, while the sum is 40.

The square root of 156438364 is about 12507.5322905839. The cubic root of 156438364 is about 538.8250218253.

The spelling of 156438364 in words is "one hundred fifty-six million, four hundred thirty-eight thousand, three hundred sixty-four".