9004045 has 4 divisors (see below), whose sum is σ = 10804860. Its totient is φ = 7203232.

The previous prime is 9004031. The next prime is 9004057. The reversal of 9004045 is 5404009.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4652649 + 4351396 = 2157^2 + 2086^2 .

It is a cyclic number.

It is not a de Polignac number, because 9004045 - 2⁵ = 9004013 is a prime.

9004045 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 900400 + ... + 900409.

It is an arithmetic number, because the mean of its divisors is an integer number (2701215).

Almost surely, 2^9004045 is an apocalyptic number.

It is an amenable number.

9004045 is a deficient number, since it is larger than the sum of its proper divisors (1800815).

9004045 is a wasteful number, since it uses less digits than its factorization.

9004045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800814.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 9004045 is about 3000.6740909336. The cubic root of 9004045 is about 208.0395403750.

The spelling of 9004045 in words is "nine million, four thousand, forty-five".