159091002 has 48 divisors (see below), whose sum is σ = 395703360. Its totient is φ = 45251136.

The previous prime is 159090991. The next prime is 159091021. The reversal of 159091002 is 200190951.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26649 + ... + 32067.

It is an arithmetic number, because the mean of its divisors is an integer number (8243820).

Almost surely, 2^159091002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 159091002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197851680).

159091002 is an abundant number, since it is smaller than the sum of its proper divisors (236612358).

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

159091002 is a wasteful number, since it uses less digits than its factorization.

159091002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5667 (or 5664 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 27.

The square root of 159091002 is about 12613.1281607696. The cubic root of 159091002 is about 541.8534868117.

The spelling of 159091002 in words is "one hundred fifty-nine million, ninety-one thousand, two".