45884809 has 2 divisors, whose sum is σ = 45884810. Its totient is φ = 45884808.

The previous prime is 45884801. The next prime is 45884833. The reversal of 45884809 is 90848854.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41641209 + 4243600 = 6453^2 + 2060^2 .

It is a cyclic number.

It is not a de Polignac number, because 45884809 - 2³ = 45884801 is a prime.

It is not a weakly prime, because it can be changed into another prime (45884801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22942404 + 22942405.

It is an arithmetic number, because the mean of its divisors is an integer number (22942405).

Almost surely, 2^45884809 is an apocalyptic number.

It is an amenable number.

45884809 is a deficient number, since it is larger than the sum of its proper divisors (1).

45884809 is an equidigital number, since it uses as much as digits as its factorization.

45884809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 368640, while the sum is 46.

The square root of 45884809 is about 6773.8326669619. The cubic root of 45884809 is about 358.0054538665.

The spelling of 45884809 in words is "forty-five million, eight hundred eighty-four thousand, eight hundred nine".