45800909 has 16 divisors (see below), whose sum is σ = 57438720. Its totient is φ = 35478960.

The previous prime is 45800903. The next prime is 45800921. The reversal of 45800909 is 90900854.

It is not a de Polignac number, because 45800909 - 2⁸ = 45800653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45800903) 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 15 ways as a sum of consecutive naturals, for example, 12122 + ... + 15444.

It is an arithmetic number, because the mean of its divisors is an integer number (3589920).

Almost surely, 2^45800909 is an apocalyptic number.

It is an amenable number.

45800909 is a deficient number, since it is larger than the sum of its proper divisors (11637811).

45800909 is a wasteful number, since it uses less digits than its factorization.

45800909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3520.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 45800909 is about 6767.6368844671. The cubic root of 45800909 is about 357.7871173835.

The spelling of 45800909 in words is "forty-five million, eight hundred thousand, nine hundred nine".