45904889 has 8 divisors (see below), whose sum is σ = 46606560. Its totient is φ = 45208800.

The previous prime is 45904867. The next prime is 45904909. The reversal of 45904889 is 98840954.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45904889 - 2⁸ = 45904633 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 (45904189) 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 7 ways as a sum of consecutive naturals, for example, 16949 + ... + 19469.

It is an arithmetic number, because the mean of its divisors is an integer number (5825820).

Almost surely, 2^45904889 is an apocalyptic number.

It is an amenable number.

45904889 is a deficient number, since it is larger than the sum of its proper divisors (701671).

45904889 is a wasteful number, since it uses less digits than its factorization.

45904889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2791.

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 45904889 is about 6775.3146790389. The cubic root of 45904889 is about 358.0576694130.

The spelling of 45904889 in words is "forty-five million, nine hundred four thousand, eight hundred eighty-nine".