159008220 has 144 divisors (see below), whose sum is σ = 557339328. Its totient is φ = 35942400.

The previous prime is 159008183. The next prime is 159008221. The reversal of 159008220 is 22800951.

It is a super-2 number, since 2×159008220² = 50567228055136800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159008221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 121570 + ... + 122870.

It is an arithmetic number, because the mean of its divisors is an integer number (3870412).

Almost surely, 2^159008220 is an apocalyptic number.

159008220 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 159008220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278669664).

159008220 is an abundant number, since it is smaller than the sum of its proper divisors (398331108).

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

159008220 is a wasteful number, since it uses less digits than its factorization.

159008220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420 (or 1415 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 159008220 is about 12609.8461529077. The cubic root of 159008220 is about 541.7594871571.

The spelling of 159008220 in words is "one hundred fifty-nine million, eight thousand, two hundred twenty".