156355472 has 180 divisors, whose sum is σ = 410403420. Its totient is φ = 57125376.

The previous prime is 156355471. The next prime is 156355489. The reversal of 156355472 is 274553651.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 50183056 + 106172416 = 7084^2 + 10304^2 .

It is not an unprimeable number, because it can be changed into a prime (156355471) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5391554 + ... + 5391582.

It is an arithmetic number, because the mean of its divisors is an integer number (2280019).

Almost surely, 2^156355472 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 156355472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205201710).

156355472 is an abundant number, since it is smaller than the sum of its proper divisors (254047948).

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

156355472 is a wasteful number, since it uses less digits than its factorization.

156355472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110 (or 74 counting only the distinct ones).

The product of its digits is 126000, while the sum is 38.

The square root of 156355472 is about 12504.2181682823. The cubic root of 156355472 is about 538.7298359351.

The spelling of 156355472 in words is "one hundred fifty-six million, three hundred fifty-five thousand, four hundred seventy-two".