159091425 has 48 divisors (see below), whose sum is σ = 297838080. Its totient is φ = 83229120.

The previous prime is 159091417. The next prime is 159091447. The reversal of 159091425 is 524190951.

It is not a de Polignac number, because 159091425 - 2³ = 159091417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 159091425.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33552 + ... + 37998.

It is an arithmetic number, because the mean of its divisors is an integer number (6204960).

Almost surely, 2^159091425 is an apocalyptic number.

159091425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

159091425 is a deficient number, since it is larger than the sum of its proper divisors (138746655).

159091425 is a wasteful number, since it uses less digits than its factorization.

159091425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4519 (or 4508 counting only the distinct ones).

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

The square root of 159091425 is about 12613.1449290016. The cubic root of 159091425 is about 541.8539670480.

The spelling of 159091425 in words is "one hundred fifty-nine million, ninety-one thousand, four hundred twenty-five".