45545604253 has 4 divisors (see below), whose sum is σ = 45546072480. Its totient is φ = 45545136028.

The previous prime is 45545604239. The next prime is 45545604283. The reversal of 45545604253 is 35240654554.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 45545604253 - 2²¹ = 45543507101 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 (45545604283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27313 + ... + 303046.

It is an arithmetic number, because the mean of its divisors is an integer number (11386518120).

Almost surely, 2^45545604253 is an apocalyptic number.

It is an amenable number.

45545604253 is a deficient number, since it is larger than the sum of its proper divisors (468227).

45545604253 is a wasteful number, since it uses less digits than its factorization.

45545604253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468226.

The product of its (nonzero) digits is 1440000, while the sum is 43.

The spelling of 45545604253 in words is "forty-five billion, five hundred forty-five million, six hundred four thousand, two hundred fifty-three".