33812045 has 8 divisors (see below), whose sum is σ = 40665240. Its totient is φ = 26989120.

The previous prime is 33812033. The next prime is 33812063. The reversal of 33812045 is 54021833.

33812045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3020644 + 30791401 = 1738^2 + 5549^2 .

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

It is not a de Polignac number, because 33812045 - 2¹⁰ = 33811021 is a prime.

It is a super-2 number, since 2×33812045² = 2286508774164050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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, 5030 + ... + 9639.

It is an arithmetic number, because the mean of its divisors is an integer number (5083155).

Almost surely, 2^33812045 is an apocalyptic number.

It is an amenable number.

33812045 is a deficient number, since it is larger than the sum of its proper divisors (6853195).

33812045 is a wasteful number, since it uses less digits than its factorization.

33812045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15135.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 33812045 is about 5814.8125507191. The cubic root of 33812045 is about 323.3631147212.

Adding to 33812045 its reverse (54021833), we get a palindrome (87833878).

The spelling of 33812045 in words is "thirty-three million, eight hundred twelve thousand, forty-five".