30413945 has 16 divisors (see below), whose sum is σ = 37877760. Its totient is φ = 23419200.

The previous prime is 30413941. The next prime is 30413983. The reversal of 30413945 is 54931403.

It is not a de Polignac number, because 30413945 - 2² = 30413941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30413941) by changing a digit.

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, 36635 + ... + 37455.

It is an arithmetic number, because the mean of its divisors is an integer number (2367360).

Almost surely, 2^30413945 is an apocalyptic number.

It is an amenable number.

30413945 is a deficient number, since it is larger than the sum of its proper divisors (7463815).

30413945 is a wasteful number, since it uses less digits than its factorization.

30413945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 30413945 is about 5514.8839516349. The cubic root of 30413945 is about 312.1458644332.

The spelling of 30413945 in words is "thirty million, four hundred thirteen thousand, nine hundred forty-five".