159479220 has 48 divisors (see below), whose sum is σ = 450733248. Its totient is φ = 42128640.

The previous prime is 159479219. The next prime is 159479237. The reversal of 159479220 is 22974951.

It is a super-2 number, since 2×159479220² = 50867243223616800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6001 + ... + 18840.

It is an arithmetic number, because the mean of its divisors is an integer number (9390276).

Almost surely, 2^159479220 is an apocalyptic number.

159479220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

159479220 is an abundant number, since it is smaller than the sum of its proper divisors (291254028).

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

159479220 is a wasteful number, since it uses less digits than its factorization.

159479220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24960 (or 24958 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 159479220 is about 12628.5082254398. The cubic root of 159479220 is about 542.2938771113.

The spelling of 159479220 in words is "one hundred fifty-nine million, four hundred seventy-nine thousand, two hundred twenty".