30115146 has 16 divisors (see below), whose sum is σ = 60455808. Its totient is φ = 10000800.

The previous prime is 30115123. The next prime is 30115159. The reversal of 30115146 is 64151103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7635 + ... + 10886.

It is an arithmetic number, because the mean of its divisors is an integer number (3778488).

Almost surely, 2^30115146 is an apocalyptic number.

30115146 is an abundant number, since it is smaller than the sum of its proper divisors (30340662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30115146 is a wasteful number, since it uses less digits than its factorization.

30115146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18797.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 30115146 is about 5487.7268518030. The cubic root of 30115146 is about 311.1202823921.

Adding to 30115146 its reverse (64151103), we get a palindrome (94266249).

The spelling of 30115146 in words is "thirty million, one hundred fifteen thousand, one hundred forty-six".