159225402 has 32 divisors (see below), whose sum is σ = 371376000. Its totient is φ = 45492384.

The previous prime is 159225401. The next prime is 159225413. The reversal of 159225402 is 204522951.

It is a self number, because there is not a number n which added to its sum of digits gives 159225402.

It is not an unprimeable number, because it can be changed into a prime (159225401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36627 + ... + 40742.

It is an arithmetic number, because the mean of its divisors is an integer number (11605500).

Almost surely, 2^159225402 is an apocalyptic number.

159225402 is an abundant number, since it is smaller than the sum of its proper divisors (212150598).

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

159225402 is an equidigital number, since it uses as much as digits as its factorization.

159225402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77395 (or 77381 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 159225402 is about 12618.4548182414. The cubic root of 159225402 is about 542.0060297165.

The spelling of 159225402 in words is "one hundred fifty-nine million, two hundred twenty-five thousand, four hundred two".