45245506253 has 4 divisors (see below), whose sum is σ = 46349055228. Its totient is φ = 44141957280.

The previous prime is 45245506213. The next prime is 45245506261. The reversal of 45245506253 is 35260554254.

45245506253 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.

It can be written as a sum of positive squares in 2 ways, for example, as 19420373449 + 25825132804 = 139357^2 + 160702^2 .

It is a cyclic number.

It is not a de Polignac number, because 45245506253 - 2¹⁰ = 45245505229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 1103548933 = 45245506253 / (4 + 5 + 2 + 4 + 5 + 5 + 0 + 6 + 2 + 5 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45245506253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45245506213) 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, 551774426 + ... + 551774507.

It is an arithmetic number, because the mean of its divisors is an integer number (11587263807).

Almost surely, 2^45245506253 is an apocalyptic number.

It is an amenable number.

45245506253 is a deficient number, since it is larger than the sum of its proper divisors (1103548975).

45245506253 is a wasteful number, since it uses less digits than its factorization.

45245506253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103548974.

The product of its (nonzero) digits is 720000, while the sum is 41.

The spelling of 45245506253 in words is "forty-five billion, two hundred forty-five million, five hundred six thousand, two hundred fifty-three".