159540090 has 32 divisors (see below), whose sum is σ = 391046400. Its totient is φ = 41638464.

The previous prime is 159540083. The next prime is 159540133. The reversal of 159540090 is 90045951.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55165 + ... + 57984.

It is an arithmetic number, because the mean of its divisors is an integer number (12220200).

Almost surely, 2^159540090 is an apocalyptic number.

159540090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

159540090 is an abundant number, since it is smaller than the sum of its proper divisors (231506310).

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

159540090 is a wasteful number, since it uses less digits than its factorization.

159540090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113206.

The product of its (nonzero) digits is 8100, while the sum is 33.

The square root of 159540090 is about 12630.9180188932. The cubic root of 159540090 is about 542.3628625451.

The spelling of 159540090 in words is "one hundred fifty-nine million, five hundred forty thousand, ninety".