30155164 has 12 divisors (see below), whose sum is σ = 56830984. Its totient is φ = 13917744.

The previous prime is 30155149. The next prime is 30155171. The reversal of 30155164 is 46155103.

30155164 = T₁₂₂₄ + T₁₂₂₅ + ... + T₁₂₆₂.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 289902 + ... + 290005.

Almost surely, 2^30155164 is an apocalyptic number.

It is an amenable number.

30155164 is a deficient number, since it is larger than the sum of its proper divisors (26675820).

30155164 is a wasteful number, since it uses less digits than its factorization.

30155164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579924 (or 579922 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 30155164 is about 5491.3717776162. The cubic root of 30155164 is about 311.2580303622.

The spelling of 30155164 in words is "thirty million, one hundred fifty-five thousand, one hundred sixty-four".