33145908 has 12 divisors (see below), whose sum is σ = 77340480. Its totient is φ = 11048632.

The previous prime is 33145897. The next prime is 33145909. The reversal of 33145908 is 80954133.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33145909) 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 3 ways as a sum of consecutive naturals, for example, 1381068 + ... + 1381091.

It is an arithmetic number, because the mean of its divisors is an integer number (6445040).

Almost surely, 2^33145908 is an apocalyptic number.

It is an amenable number.

33145908 is an abundant number, since it is smaller than the sum of its proper divisors (44194572).

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

33145908 is a wasteful number, since it uses less digits than its factorization.

33145908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2762166 (or 2762164 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 33145908 is about 5757.2483010549. The cubic root of 33145908 is about 321.2254702260.

The spelling of 33145908 in words is "thirty-three million, one hundred forty-five thousand, nine hundred eight".