30165105 has 16 divisors (see below), whose sum is σ = 48847680. Its totient is φ = 15893568.

The previous prime is 30165097. The next prime is 30165127. The reversal of 30165105 is 50156103.

It is a happy number.

It is not a de Polignac number, because 30165105 - 2³ = 30165097 is a prime.

It is a super-2 number, since 2×30165105² = 1819867119322050, which contains 22 as substring.

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 10870 + ... + 13359.

It is an arithmetic number, because the mean of its divisors is an integer number (3052980).

Almost surely, 2^30165105 is an apocalyptic number.

It is an amenable number.

30165105 is a deficient number, since it is larger than the sum of its proper divisors (18682575).

30165105 is a wasteful number, since it uses less digits than its factorization.

30165105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24320.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 30165105 is about 5492.2768502689. The cubic root of 30165105 is about 311.2922298792.

The spelling of 30165105 in words is "thirty million, one hundred sixty-five thousand, one hundred five".