30451164 has 24 divisors (see below), whose sum is σ = 71317008. Its totient is φ = 10112640.

The previous prime is 30451163. The next prime is 30451217. The reversal of 30451164 is 46115403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30451163) 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 7 ways as a sum of consecutive naturals, for example, 1257 + ... + 7904.

It is an arithmetic number, because the mean of its divisors is an integer number (2971542).

Almost surely, 2^30451164 is an apocalyptic number.

It is an amenable number.

30451164 is an abundant number, since it is smaller than the sum of its proper divisors (40865844).

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

30451164 is a wasteful number, since it uses less digits than its factorization.

30451164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9445 (or 9443 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 30451164 is about 5518.2573336154. The cubic root of 30451164 is about 312.2731418063.

Adding to 30451164 its reverse (46115403), we get a palindrome (76566567).

The spelling of 30451164 in words is "thirty million, four hundred fifty-one thousand, one hundred sixty-four".