159540492 has 48 divisors (see below), whose sum is σ = 400991360. Its totient is φ = 49206528.

The previous prime is 159540481. The next prime is 159540497. The reversal of 159540492 is 294045951.

It is a self number, because there is not a number n which added to its sum of digits gives 159540492.

It is not an unprimeable number, because it can be changed into a prime (159540497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1668 + ... + 17940.

Almost surely, 2^159540492 is an apocalyptic number.

159540492 is a gapful number since it is divisible by the number (12) 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 159540492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200495680).

159540492 is an abundant number, since it is smaller than the sum of its proper divisors (241450868).

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

159540492 is a wasteful number, since it uses less digits than its factorization.

159540492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16342 (or 16340 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 159540492 is about 12630.9339322158. The cubic root of 159540492 is about 542.3633180830.

The spelling of 159540492 in words is "one hundred fifty-nine million, five hundred forty thousand, four hundred ninety-two".