159242490 has 64 divisors (see below), whose sum is σ = 463259520. Its totient is φ = 38603520.

The previous prime is 159242471. The next prime is 159242507. The reversal of 159242490 is 94242951.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23839 + ... + 29778.

It is an arithmetic number, because the mean of its divisors is an integer number (7238430).

Almost surely, 2^159242490 is an apocalyptic number.

159242490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

159242490 is an abundant number, since it is smaller than the sum of its proper divisors (304017030).

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

159242490 is a wasteful number, since it uses less digits than its factorization.

159242490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53644 (or 53638 counting only the distinct ones).

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

The square root of 159242490 is about 12619.1319035820. The cubic root of 159242490 is about 542.0254183057.

The spelling of 159242490 in words is "one hundred fifty-nine million, two hundred forty-two thousand, four hundred ninety".