33164945 has 8 divisors (see below), whose sum is σ = 43416000. Its totient is φ = 24119920.

The previous prime is 33164921. The next prime is 33164953. The reversal of 33164945 is 54946133.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 33164945 - 2¹² = 33160849 is a prime.

It is an unprimeable number.

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, 301445 + ... + 301554.

It is an arithmetic number, because the mean of its divisors is an integer number (5427000).

Almost surely, 2^33164945 is an apocalyptic number.

It is an amenable number.

33164945 is a deficient number, since it is larger than the sum of its proper divisors (10251055).

33164945 is a wasteful number, since it uses less digits than its factorization.

33164945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603015.

The product of its digits is 38880, while the sum is 35.

The square root of 33164945 is about 5758.9013709214. The cubic root of 33164945 is about 321.2869559346.

The spelling of 33164945 in words is "thirty-three million, one hundred sixty-four thousand, nine hundred forty-five".