9045999 has 20 divisors (see below), whose sum is σ = 13982760. Its totient is φ = 5821200.

The previous prime is 9045991. The next prime is 9046001. The reversal of 9045999 is 9995409.

It is a happy number.

It is not a de Polignac number, because 9045999 - 2³ = 9045991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9045991) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 424 + ... + 4274.

It is an arithmetic number, because the mean of its divisors is an integer number (699138).

Almost surely, 2^9045999 is an apocalyptic number.

9045999 is a deficient number, since it is larger than the sum of its proper divisors (4936761).

9045999 is a wasteful number, since it uses less digits than its factorization.

9045999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3892 (or 3883 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 45.

The square root of 9045999 is about 3007.6567290833. The cubic root of 9045999 is about 208.3621572208.

It can be divided in two parts, 904 and 5999, that added together give a triangular number (6903 = T₁₁₇).

The spelling of 9045999 in words is "nine million, forty-five thousand, nine hundred ninety-nine".