159142590 has 64 divisors (see below), whose sum is σ = 425502720. Its totient is φ = 42325920.

The previous prime is 159142567. The next prime is 159142597. The reversal of 159142590 is 95241951.

159142590 is a `hidden beast` number, since 1 + 59 + 14 + 2 + 590 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159142597) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 174235 + ... + 175145.

It is an arithmetic number, because the mean of its divisors is an integer number (6648480).

Almost surely, 2^159142590 is an apocalyptic number.

159142590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 159142590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212751360).

159142590 is an abundant number, since it is smaller than the sum of its proper divisors (266360130).

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

159142590 is a wasteful number, since it uses less digits than its factorization.

159142590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574 (or 1568 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 36.

The square root of 159142590 is about 12615.1730071371. The cubic root of 159142590 is about 541.9120489270.

The spelling of 159142590 in words is "one hundred fifty-nine million, one hundred forty-two thousand, five hundred ninety".