45673505 has 4 divisors (see below), whose sum is σ = 54808212. Its totient is φ = 36538800.

The previous prime is 45673487. The next prime is 45673531. The reversal of 45673505 is 50537654.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50537654 = 2 ⋅25268827.

It can be written as a sum of positive squares in 2 ways, for example, as 7134241 + 38539264 = 2671^2 + 6208^2 .

It is not a de Polignac number, because 45673505 - 2²⁰ = 44624929 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4567346 + ... + 4567355.

It is an arithmetic number, because the mean of its divisors is an integer number (13702053).

Almost surely, 2^45673505 is an apocalyptic number.

It is an amenable number.

45673505 is a deficient number, since it is larger than the sum of its proper divisors (9134707).

45673505 is an equidigital number, since it uses as much as digits as its factorization.

45673505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9134706.

The product of its (nonzero) digits is 63000, while the sum is 35.

The square root of 45673505 is about 6758.2175904598. The cubic root of 45673505 is about 357.4550581678.

The spelling of 45673505 in words is "forty-five million, six hundred seventy-three thousand, five hundred five".