45244253 has 4 divisors (see below), whose sum is σ = 45881568. Its totient is φ = 44606940.

The previous prime is 45244237. The next prime is 45244261. The reversal of 45244253 is 35244254.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45244253 - 2⁴ = 45244237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45244273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318551 + ... + 318692.

It is an arithmetic number, because the mean of its divisors is an integer number (11470392).

Almost surely, 2^45244253 is an apocalyptic number.

It is an amenable number.

45244253 is a deficient number, since it is larger than the sum of its proper divisors (637315).

45244253 is an equidigital number, since it uses as much as digits as its factorization.

45244253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637314.

The product of its digits is 19200, while the sum is 29.

The square root of 45244253 is about 6726.3848388269. The cubic root of 45244253 is about 356.3317117173.

Subtracting from 45244253 its reverse (35244254), we obtain a palindrome (9999999).

The spelling of 45244253 in words is "forty-five million, two hundred forty-four thousand, two hundred fifty-three".