159922944 has 144 divisors (see below), whose sum is σ = 501107040. Its totient is φ = 50135040.

The previous prime is 159922901. The next prime is 159922969. The reversal of 159922944 is 449229951.

It is a tau number, because it is divible by the number of its divisors (144).

It is a self number, because there is not a number n which added to its sum of digits gives 159922944.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116824 + ... + 118184.

It is an arithmetic number, because the mean of its divisors is an integer number (3479910).

Almost surely, 2^159922944 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 159922944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250553520).

159922944 is an abundant number, since it is smaller than the sum of its proper divisors (341184096).

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

159922944 is a wasteful number, since it uses less digits than its factorization.

159922944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403 (or 1383 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 159922944 is about 12646.0643680158. The cubic root of 159922944 is about 542.7963584230.

The spelling of 159922944 in words is "one hundred fifty-nine million, nine hundred twenty-two thousand, nine hundred forty-four".