156439464 has 64 divisors (see below), whose sum is σ = 419515200. Its totient is φ = 48462336.

The previous prime is 156439463. The next prime is 156439469. The reversal of 156439464 is 464934651.

It is a happy number.

156439464 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (156439463) 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, 20932 + ... + 27404.

It is an arithmetic number, because the mean of its divisors is an integer number (6554925).

Almost surely, 2^156439464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156439464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209757600).

156439464 is an abundant number, since it is smaller than the sum of its proper divisors (263075736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

156439464 is a wasteful number, since it uses less digits than its factorization.

156439464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6554 (or 6550 counting only the distinct ones).

The product of its digits is 311040, while the sum is 42.

The square root of 156439464 is about 12507.5762640089. The cubic root of 156439464 is about 538.8262847425.

The spelling of 156439464 in words is "one hundred fifty-six million, four hundred thirty-nine thousand, four hundred sixty-four".