30455133 has 12 divisors (see below), whose sum is σ = 42058848. Its totient is φ = 19601680.

The previous prime is 30455123. The next prime is 30455147. The reversal of 30455133 is 33155403.

It is a happy number.

It is not a de Polignac number, because 30455133 - 2⁵ = 30455101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30455123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3513 + ... + 8558.

It is an arithmetic number, because the mean of its divisors is an integer number (3504904).

Almost surely, 2^30455133 is an apocalyptic number.

It is an amenable number.

30455133 is a deficient number, since it is larger than the sum of its proper divisors (11603715).

30455133 is a wasteful number, since it uses less digits than its factorization.

30455133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12132 (or 12103 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 30455133 is about 5518.6169463009. The cubic root of 30455133 is about 312.2867084279.

The spelling of 30455133 in words is "thirty million, four hundred fifty-five thousand, one hundred thirty-three".