159731448 has 32 divisors (see below), whose sum is σ = 399638400. Its totient is φ = 53202528.

The previous prime is 159731413. The next prime is 159731471. The reversal of 159731448 is 844137951.

It is a happy number.

159731448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58743 + ... + 61401.

It is an arithmetic number, because the mean of its divisors is an integer number (12488700).

Almost surely, 2^159731448 is an apocalyptic number.

It is an amenable number.

159731448 is an abundant number, since it is smaller than the sum of its proper divisors (239906952).

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

159731448 is a wasteful number, since it uses less digits than its factorization.

159731448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5171 (or 5167 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 159731448 is about 12638.4907326785. The cubic root of 159731448 is about 542.5796189428.

The spelling of 159731448 in words is "one hundred fifty-nine million, seven hundred thirty-one thousand, four hundred forty-eight".