30245188 has 12 divisors (see below), whose sum is σ = 55714960. Its totient is φ = 14326632.

The previous prime is 30245183. The next prime is 30245191. The reversal of 30245188 is 88154203.

It is not an unprimeable number, because it can be changed into a prime (30245183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198906 + ... + 199057.

Almost surely, 2^30245188 is an apocalyptic number.

30245188 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

30245188 is a deficient number, since it is larger than the sum of its proper divisors (25469772).

30245188 is a wasteful number, since it uses less digits than its factorization.

30245188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397986 (or 397984 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 30245188 is about 5499.5625280562. The cubic root of 30245188 is about 311.5674616660.

The spelling of 30245188 in words is "thirty million, two hundred forty-five thousand, one hundred eighty-eight".