30480945 has 16 divisors (see below), whose sum is σ = 53203392. Its totient is φ = 14778560.

The previous prime is 30480899. The next prime is 30480977. The reversal of 30480945 is 54908403.

It is not a de Polignac number, because 30480945 - 2¹³ = 30472753 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

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, 92202 + ... + 92531.

It is an arithmetic number, because the mean of its divisors is an integer number (3325212).

Almost surely, 2^30480945 is an apocalyptic number.

It is an amenable number.

30480945 is a deficient number, since it is larger than the sum of its proper divisors (22722447).

30480945 is a wasteful number, since it uses less digits than its factorization.

30480945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184752.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 30480945 is about 5520.9550804186. The cubic root of 30480945 is about 312.3749088671.

The spelling of 30480945 in words is "thirty million, four hundred eighty thousand, nine hundred forty-five".