156423464 has 8 divisors (see below), whose sum is σ = 293294010. Its totient is φ = 78211728.

The previous prime is 156423431. The next prime is 156423469. The reversal of 156423464 is 464324651.

156423464 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 124500964 + 31922500 = 11158^2 + 5650^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (156423469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9776459 + ... + 9776474.

Almost surely, 2^156423464 is an apocalyptic number.

It is an amenable number.

156423464 is a deficient number, since it is larger than the sum of its proper divisors (136870546).

156423464 is a wasteful number, since it uses less digits than its factorization.

156423464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19552939 (or 19552935 counting only the distinct ones).

The product of its digits is 69120, while the sum is 35.

The square root of 156423464 is about 12506.9366353236. The cubic root of 156423464 is about 538.8079144535.

The spelling of 156423464 in words is "one hundred fifty-six million, four hundred twenty-three thousand, four hundred sixty-four".