305505164 has 12 divisors (see below), whose sum is σ = 566083224. Its totient is φ = 143767104.

The previous prime is 305505157. The next prime is 305505191. The reversal of 305505164 is 461505503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2246294 + ... + 2246429.

It is an arithmetic number, because the mean of its divisors is an integer number (47173602).

Almost surely, 2^305505164 is an apocalyptic number.

305505164 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

305505164 is a deficient number, since it is larger than the sum of its proper divisors (260578060).

305505164 is a wasteful number, since it uses less digits than its factorization.

305505164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4492744 (or 4492742 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 305505164 is about 17478.7060161787. The cubic root of 305505164 is about 673.5029751521.

The spelling of 305505164 in words is "three hundred five million, five hundred five thousand, one hundred sixty-four".