156364220 has 48 divisors (see below), whose sum is σ = 340024608. Its totient is φ = 60353280.

The previous prime is 156364213. The next prime is 156364231. The reversal of 156364220 is 22463651.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96134 + ... + 97746.

It is an arithmetic number, because the mean of its divisors is an integer number (7083846).

Almost surely, 2^156364220 is an apocalyptic number.

156364220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156364220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170012304).

156364220 is an abundant number, since it is smaller than the sum of its proper divisors (183660388).

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

156364220 is a wasteful number, since it uses less digits than its factorization.

156364220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1790 (or 1788 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 156364220 is about 12504.5679653477. The cubic root of 156364220 is about 538.7398829574.

The spelling of 156364220 in words is "one hundred fifty-six million, three hundred sixty-four thousand, two hundred twenty".