159420808 has 16 divisors (see below), whose sum is σ = 299381580. Its totient is φ = 79585728.

The previous prime is 159420803. The next prime is 159420809. The reversal of 159420808 is 808024951.

It can be written as a sum of positive squares in 2 ways, for example, as 120956004 + 38464804 = 10998^2 + 6202^2 .

It is not an unprimeable number, because it can be changed into a prime (159420803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10035 + ... + 20482.

Almost surely, 2^159420808 is an apocalyptic number.

It is an amenable number.

159420808 is a deficient number, since it is larger than the sum of its proper divisors (139960772).

159420808 is a wasteful number, since it uses less digits than its factorization.

159420808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31176 (or 31172 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 159420808 is about 12626.1953097519. The cubic root of 159420808 is about 542.2276608814.

The spelling of 159420808 in words is "one hundred fifty-nine million, four hundred twenty thousand, eight hundred eight".