159315220 has 12 divisors (see below), whose sum is σ = 334562004. Its totient is φ = 63726080.

The previous prime is 159315203. The next prime is 159315239. The reversal of 159315220 is 22513951.

It can be written as a sum of positive squares in 2 ways, for example, as 46403344 + 112911876 = 6812^2 + 10626^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3982861 + ... + 3982900.

It is an arithmetic number, because the mean of its divisors is an integer number (27880167).

Almost surely, 2^159315220 is an apocalyptic number.

159315220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

159315220 is an abundant number, since it is smaller than the sum of its proper divisors (175246784).

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

159315220 is a wasteful number, since it uses less digits than its factorization.

159315220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7965770 (or 7965768 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 159315220 is about 12622.0133100865. The cubic root of 159315220 is about 542.1079245693.

The spelling of 159315220 in words is "one hundred fifty-nine million, three hundred fifteen thousand, two hundred twenty".