45056136481 has 2 divisors, whose sum is σ = 45056136482. Its totient is φ = 45056136480.

The previous prime is 45056136479. The next prime is 45056136539. The reversal of 45056136481 is 18463165054.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42906979600 + 2149156881 = 207140^2 + 46359^2 .

It is a cyclic number.

It is not a de Polignac number, because 45056136481 - 2¹ = 45056136479 is a prime.

It is a super-2 number, since 2×45056136481² (a number of 22 digits) contains 22 as substring.

Together with 45056136479, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (45056136401) 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 as a sum of consecutive naturals, namely, 22528068240 + 22528068241.

It is an arithmetic number, because the mean of its divisors is an integer number (22528068241).

Almost surely, 2^45056136481 is an apocalyptic number.

It is an amenable number.

45056136481 is a deficient number, since it is larger than the sum of its proper divisors (1).

45056136481 is an equidigital number, since it uses as much as digits as its factorization.

45056136481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 45056136481 in words is "forty-five billion, fifty-six million, one hundred thirty-six thousand, four hundred eighty-one".