45557245 has 4 divisors (see below), whose sum is σ = 54668700. Its totient is φ = 36445792.

The previous prime is 45557243. The next prime is 45557279. The reversal of 45557245 is 54275554.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6081156 + 39476089 = 2466^2 + 6283^2 .

It is a cyclic number.

It is not a de Polignac number, because 45557245 - 2¹ = 45557243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45557243) by changing a digit.

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, 4555720 + ... + 4555729.

It is an arithmetic number, because the mean of its divisors is an integer number (13667175).

Almost surely, 2^45557245 is an apocalyptic number.

It is an amenable number.

45557245 is a deficient number, since it is larger than the sum of its proper divisors (9111455).

45557245 is an equidigital number, since it uses as much as digits as its factorization.

45557245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9111454.

The product of its digits is 140000, while the sum is 37.

The square root of 45557245 is about 6749.6107295162. The cubic root of 45557245 is about 357.1515048192.

The spelling of 45557245 in words is "forty-five million, five hundred fifty-seven thousand, two hundred forty-five".