45043182009 has 12 divisors (see below), whose sum is σ = 74356998976. Its totient is φ = 25738961112.

The previous prime is 45043181993. The next prime is 45043182047. The reversal of 45043182009 is 90028134054.

It is not a de Polignac number, because 45043182009 - 2⁴ = 45043181993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45043182089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 357485509 + ... + 357485634.

Almost surely, 2^45043182009 is an apocalyptic number.

It is an amenable number.

45043182009 is a deficient number, since it is larger than the sum of its proper divisors (29313816967).

45043182009 is a wasteful number, since it uses less digits than its factorization.

45043182009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714971156 (or 714971153 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 45043182009 in words is "forty-five billion, forty-three million, one hundred eighty-two thousand, nine".