305606152 has 64 divisors (see below), whose sum is σ = 614304000. Its totient is φ = 142222080.

The previous prime is 305606143. The next prime is 305606177. The reversal of 305606152 is 251606503.

It is a self number, because there is not a number n which added to its sum of digits gives 305606152.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1946458 + ... + 1946614.

It is an arithmetic number, because the mean of its divisors is an integer number (9598500).

Almost surely, 2^305606152 is an apocalyptic number.

It is an amenable number.

305606152 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

305606152 is a wasteful number, since it uses less digits than its factorization.

305606152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406 (or 402 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 305606152 is about 17481.5946641032. The cubic root of 305606152 is about 673.5771781809.

The spelling of 305606152 in words is "three hundred five million, six hundred six thousand, one hundred fifty-two".