30456045 has 24 divisors (see below), whose sum is σ = 53321112. Its totient is φ = 16080000.

The previous prime is 30456037. The next prime is 30456073. The reversal of 30456045 is 54065403.

It can be written as a sum of positive squares in 4 ways, for example, as 8749764 + 21706281 = 2958^2 + 4659^2 .

It is not a de Polignac number, because 30456045 - 2³ = 30456037 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1195 + ... + 7895.

It is an arithmetic number, because the mean of its divisors is an integer number (2221713).

Almost surely, 2^30456045 is an apocalyptic number.

It is an amenable number.

30456045 is a deficient number, since it is larger than the sum of its proper divisors (22865067).

30456045 is a wasteful number, since it uses less digits than its factorization.

30456045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6813 (or 6810 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 30456045 is about 5518.6995750811. The cubic root of 30456045 is about 312.2898256105.

The spelling of 30456045 in words is "thirty million, four hundred fifty-six thousand, forty-five".