305161004 has 24 divisors (see below), whose sum is σ = 541271808. Its totient is φ = 150524240.

The previous prime is 305160967. The next prime is 305161009. The reversal of 305161004 is 400161503.

305161004 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (305161009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111209 + ... + 113919.

It is an arithmetic number, because the mean of its divisors is an integer number (22552992).

Almost surely, 2^305161004 is an apocalyptic number.

It is an amenable number.

305161004 is a deficient number, since it is larger than the sum of its proper divisors (236110804).

305161004 is a wasteful number, since it uses less digits than its factorization.

305161004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3085 (or 3083 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 305161004 is about 17468.8581195223. The cubic root of 305161004 is about 673.2499735599.

The spelling of 305161004 in words is "three hundred five million, one hundred sixty-one thousand, four".