45572245 has 4 divisors (see below), whose sum is σ = 54686700. Its totient is φ = 36457792.

The previous prime is 45572243. The next prime is 45572251. The reversal of 45572245 is 54227554.

45572245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54227554 = 2 ⋅27113777.

It can be written as a sum of positive squares in 2 ways, for example, as 5541316 + 40030929 = 2354^2 + 6327^2 .

It is a cyclic number.

It is not a de Polignac number, because 45572245 - 2¹ = 45572243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45572245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45572243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4557220 + ... + 4557229.

It is an arithmetic number, because the mean of its divisors is an integer number (13671675).

Almost surely, 2^45572245 is an apocalyptic number.

It is an amenable number.

45572245 is a deficient number, since it is larger than the sum of its proper divisors (9114455).

45572245 is an equidigital number, since it uses as much as digits as its factorization.

45572245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9114454.

The product of its digits is 56000, while the sum is 34.

The square root of 45572245 is about 6750.7218132582. The cubic root of 45572245 is about 357.1906986196.

Adding to 45572245 its reverse (54227554), we get a palindrome (99799799).

The spelling of 45572245 in words is "forty-five million, five hundred seventy-two thousand, two hundred forty-five".