159220432 has 20 divisors (see below), whose sum is σ = 352559776. Its totient is φ = 68237280.

The previous prime is 159220429. The next prime is 159220459. The reversal of 159220432 is 234022951.

It is a super-2 number, since 2×159220432² = 50702291932533248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 159220432.

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 3 ways as a sum of consecutive naturals, for example, 710694 + ... + 710917.

Almost surely, 2^159220432 is an apocalyptic number.

It is an amenable number.

159220432 is an abundant number, since it is smaller than the sum of its proper divisors (193339344).

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

159220432 is a wasteful number, since it uses less digits than its factorization.

159220432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421626 (or 1421620 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 159220432 is about 12618.2578829250. The cubic root of 159220432 is about 542.0003903357. Note that the first 3 decimals are identical.

The spelling of 159220432 in words is "one hundred fifty-nine million, two hundred twenty thousand, four hundred thirty-two".