45520302313 has 4 divisors (see below), whose sum is σ = 47089967940. Its totient is φ = 43950636688.

The previous prime is 45520302287. The next prime is 45520302367. The reversal of 45520302313 is 31320302554.

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 33143294809 + 12377007504 = 182053^2 + 111252^2 .

It is a cyclic number.

It is not a de Polignac number, because 45520302313 - 2⁵ = 45520302281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45520302383) 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, 784832770 + ... + 784832827.

It is an arithmetic number, because the mean of its divisors is an integer number (11772491985).

Almost surely, 2^45520302313 is an apocalyptic number.

It is an amenable number.

45520302313 is a deficient number, since it is larger than the sum of its proper divisors (1569665627).

45520302313 is a wasteful number, since it uses less digits than its factorization.

45520302313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569665626.

The product of its (nonzero) digits is 10800, while the sum is 28.

Adding to 45520302313 its reverse (31320302554), we get a palindrome (76840604867).

The spelling of 45520302313 in words is "forty-five billion, five hundred twenty million, three hundred two thousand, three hundred thirteen".