33405045 has 8 divisors (see below), whose sum is σ = 53448096. Its totient is φ = 17816016.

The previous prime is 33405041. The next prime is 33405049. The reversal of 33405045 is 54050433.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (33405041) and next prime (33405049).

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

It is not a de Polignac number, because 33405045 - 2² = 33405041 is a prime.

It is a super-2 number, since 2×33405045² = 2231794062904050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33405041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1113487 + ... + 1113516.

It is an arithmetic number, because the mean of its divisors is an integer number (6681012).

Almost surely, 2^33405045 is an apocalyptic number.

It is an amenable number.

33405045 is a deficient number, since it is larger than the sum of its proper divisors (20043051).

33405045 is a wasteful number, since it uses less digits than its factorization.

33405045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2227011.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 33405045 is about 5779.7097677998. The cubic root of 33405045 is about 322.0604190728.

Adding to 33405045 its reverse (54050433), we get a palindrome (87455478).

It can be divided in two parts, 3340 and 5045, that added together give a triangular number (8385 = T₁₂₉).

The spelling of 33405045 in words is "thirty-three million, four hundred five thousand, forty-five".