33445164 has 12 divisors (see below), whose sum is σ = 78038744. Its totient is φ = 11148384.

The previous prime is 33445147. The next prime is 33445177. The reversal of 33445164 is 46154433.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×33445164² = 2237157989973792, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1393537 + ... + 1393560.

Almost surely, 2^33445164 is an apocalyptic number.

It is an amenable number.

33445164 is an abundant number, since it is smaller than the sum of its proper divisors (44593580).

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

33445164 is a wasteful number, since it uses less digits than its factorization.

33445164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2787104 (or 2787102 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 33445164 is about 5783.1794023703. The cubic root of 33445164 is about 322.1892975387.

Adding to 33445164 its reverse (46154433), we get a palindrome (79599597).

The spelling of 33445164 in words is "thirty-three million, four hundred forty-five thousand, one hundred sixty-four".