45900409 has 8 divisors (see below), whose sum is σ = 48565440. Its totient is φ = 43260336.

The previous prime is 45900403. The next prime is 45900469. The reversal of 45900409 is 90400954.

It is a happy number.

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 45900409 - 2⁵ = 45900377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45900403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2389 + ... + 9874.

It is an arithmetic number, because the mean of its divisors is an integer number (6070680).

Almost surely, 2^45900409 is an apocalyptic number.

It is an amenable number.

45900409 is a deficient number, since it is larger than the sum of its proper divisors (2665031).

45900409 is a wasteful number, since it uses less digits than its factorization.

45900409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12479.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 45900409 is about 6774.9840590218. The cubic root of 45900409 is about 358.0460210492.

The spelling of 45900409 in words is "forty-five million, nine hundred thousand, four hundred nine".