45504505 has 4 divisors (see below), whose sum is σ = 54605412. Its totient is φ = 36403600.

The previous prime is 45504499. The next prime is 45504527. The reversal of 45504505 is 50540554.

45504505 is nontrivially palindromic in base 9.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50540554 = 2 ⋅25270277.

It can be written as a sum of positive squares in 2 ways, for example, as 31125241 + 14379264 = 5579^2 + 3792^2 .

It is not a de Polignac number, because 45504505 - 2⁷ = 45504377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4550446 + ... + 4550455.

It is an arithmetic number, because the mean of its divisors is an integer number (13651353).

Almost surely, 2^45504505 is an apocalyptic number.

It is an amenable number.

45504505 is a deficient number, since it is larger than the sum of its proper divisors (9100907).

45504505 is an equidigital number, since it uses as much as digits as its factorization.

45504505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9100906.

The product of its (nonzero) digits is 10000, while the sum is 28.

The square root of 45504505 is about 6745.7027061678. The cubic root of 45504505 is about 357.0136310760.

The spelling of 45504505 in words is "forty-five million, five hundred four thousand, five hundred five".