159507225 has 60 divisors (see below), whose sum is σ = 297619344. Its totient is φ = 84451680.

The previous prime is 159507199. The next prime is 159507233. The reversal of 159507225 is 522705951.

It is not a de Polignac number, because 159507225 - 2⁵ = 159507193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 159507225.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 459502 + ... + 459848.

Almost surely, 2^159507225 is an apocalyptic number.

159507225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

159507225 is a deficient number, since it is larger than the sum of its proper divisors (138112119).

159507225 is a wasteful number, since it uses less digits than its factorization.

159507225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596 (or 582 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 36.

The square root of 159507225 is about 12629.6169775651. The cubic root of 159507225 is about 542.3256180306.

The spelling of 159507225 in words is "one hundred fifty-nine million, five hundred seven thousand, two hundred twenty-five".