33312045 has 32 divisors (see below), whose sum is σ = 57859200. Its totient is φ = 16268544.

The previous prime is 33312043. The next prime is 33312053. The reversal of 33312045 is 54021333.

It is not a de Polignac number, because 33312045 - 2¹ = 33312043 is a prime.

It is a super-2 number, since 2×33312045² = 2219384684164050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33312043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26491 + ... + 27719.

It is an arithmetic number, because the mean of its divisors is an integer number (1808100).

Almost surely, 2^33312045 is an apocalyptic number.

It is an amenable number.

33312045 is a deficient number, since it is larger than the sum of its proper divisors (24547155).

33312045 is a wasteful number, since it uses less digits than its factorization.

33312045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 33312045 is about 5771.6587736976. The cubic root of 33312045 is about 321.7612680788.

Adding to 33312045 its reverse (54021333), we get a palindrome (87333378).

The spelling of 33312045 in words is "thirty-three million, three hundred twelve thousand, forty-five".