45474245 has 4 divisors (see below), whose sum is σ = 54569100. Its totient is φ = 36379392.

The previous prime is 45474227. The next prime is 45474257. The reversal of 45474245 is 54247454.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54247454 = 2 ⋅27123727.

It can be written as a sum of positive squares in 2 ways, for example, as 35545444 + 9928801 = 5962^2 + 3151^2 .

It is a cyclic number.

It is not a de Polignac number, because 45474245 - 2¹⁰ = 45473221 is a prime.

It is a Curzon number.

It is a congruent 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, 4547420 + ... + 4547429.

It is an arithmetic number, because the mean of its divisors is an integer number (13642275).

Almost surely, 2^45474245 is an apocalyptic number.

It is an amenable number.

45474245 is a deficient number, since it is larger than the sum of its proper divisors (9094855).

45474245 is an equidigital number, since it uses as much as digits as its factorization.

45474245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9094854.

The product of its digits is 89600, while the sum is 35.

The square root of 45474245 is about 6743.4594237676. The cubic root of 45474245 is about 356.9344768029.

The spelling of 45474245 in words is "forty-five million, four hundred seventy-four thousand, two hundred forty-five".