9045009 has 12 divisors (see below), whose sum is σ = 13343616. Its totient is φ = 5901432.

The previous prime is 9044999. The next prime is 9045011. The reversal of 9045009 is 9005409.

It is a happy number.

It is not a de Polignac number, because 9045009 - 2⁴ = 9044993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9045079) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10269 + ... + 11114.

It is an arithmetic number, because the mean of its divisors is an integer number (1111968).

Almost surely, 2^9045009 is an apocalyptic number.

It is an amenable number.

9045009 is a deficient number, since it is larger than the sum of its proper divisors (4298607).

9045009 is a wasteful number, since it uses less digits than its factorization.

9045009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21436 (or 21433 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 9045009 is about 3007.4921446281. The cubic root of 9045009 is about 208.3545558469.

The spelling of 9045009 in words is "nine million, forty-five thousand, nine".