30448845 has 48 divisors (see below), whose sum is σ = 62982720. Its totient is φ = 13916448.

The previous prime is 30448843. The next prime is 30448861. The reversal of 30448845 is 54884403.

It is not a de Polignac number, because 30448845 - 2¹ = 30448843 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30448841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4314 + ... + 8916.

It is an arithmetic number, because the mean of its divisors is an integer number (1312140).

Almost surely, 2^30448845 is an apocalyptic number.

30448845 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30448845 is an abundant number, since it is smaller than the sum of its proper divisors (32533875).

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

30448845 is a wasteful number, since it uses less digits than its factorization.

30448845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4631 (or 4618 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The square root of 30448845 is about 5518.0472089318. The cubic root of 30448845 is about 312.2652145801.

The spelling of 30448845 in words is "thirty million, four hundred forty-eight thousand, eight hundred forty-five".