33145272 has 48 divisors (see below), whose sum is σ = 94497000. Its totient is φ = 10466496.

The previous prime is 33145267. The next prime is 33145279. The reversal of 33145272 is 27254133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33145279) 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, 10747 + ... + 13482.

Almost surely, 2^33145272 is an apocalyptic number.

It is an amenable number.

33145272 is an abundant number, since it is smaller than the sum of its proper divisors (61351728).

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

33145272 is a wasteful number, since it uses less digits than its factorization.

33145272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24260 (or 24253 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 33145272 is about 5757.1930660696. The cubic root of 33145272 is about 321.2234156667.

The spelling of 33145272 in words is "thirty-three million, one hundred forty-five thousand, two hundred seventy-two".