159904044 has 30 divisors (see below), whose sum is σ = 418021604. Its totient is φ = 53301240.

The previous prime is 159904039. The next prime is 159904061. The reversal of 159904044 is 440409951.

It is a happy number.

159904044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 246442 + ... + 247089.

Almost surely, 2^159904044 is an apocalyptic number.

It is an amenable number.

159904044 is an abundant number, since it is smaller than the sum of its proper divisors (258117560).

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

159904044 is a wasteful number, since it uses less digits than its factorization.

159904044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493547 (or 493536 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 159904044 is about 12645.3170778751. The cubic root of 159904044 is about 542.7749746760.

The spelling of 159904044 in words is "one hundred fifty-nine million, nine hundred four thousand, forty-four".