159522156 has 144 divisors (see below), whose sum is σ = 450424800. Its totient is φ = 48746880.

The previous prime is 159522149. The next prime is 159522173. The reversal of 159522156 is 651225951.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 159522156.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3009826 + ... + 3009878.

It is an arithmetic number, because the mean of its divisors is an integer number (3127950).

Almost surely, 2^159522156 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 159522156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225212400).

159522156 is an abundant number, since it is smaller than the sum of its proper divisors (290902644).

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

159522156 is a wasteful number, since it uses less digits than its factorization.

159522156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 118 counting only the distinct ones).

The product of its digits is 27000, while the sum is 36.

The square root of 159522156 is about 12630.2080742955. The cubic root of 159522156 is about 542.3425393355.

The spelling of 159522156 in words is "one hundred fifty-nine million, five hundred twenty-two thousand, one hundred fifty-six".