30058945 has 16 divisors (see below), whose sum is σ = 42231168. Its totient is φ = 20108160.

The previous prime is 30058939. The next prime is 30058957. The reversal of 30058945 is 54985003.

It is not a de Polignac number, because 30058945 - 2¹⁵ = 30026177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30058945.

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, 9039 + ... + 11908.

It is an arithmetic number, because the mean of its divisors is an integer number (2639448).

Almost surely, 2^30058945 is an apocalyptic number.

30058945 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30058945 is a deficient number, since it is larger than the sum of its proper divisors (12172223).

30058945 is a wasteful number, since it uses less digits than its factorization.

30058945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21000.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 30058945 is about 5482.6038521856. The cubic root of 30058945 is about 310.9266239220.

The spelling of 30058945 in words is "thirty million, fifty-eight thousand, nine hundred forty-five".