45457547339 has 2 divisors, whose sum is σ = 45457547340. Its totient is φ = 45457547338.

The previous prime is 45457547327. The next prime is 45457547353. The reversal of 45457547339 is 93374575454.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45457547339 is a prime.

It is a super-2 number, since 2×45457547339² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45457547389) 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, 22728773669 + 22728773670.

It is an arithmetic number, because the mean of its divisors is an integer number (22728773670).

Almost surely, 2^45457547339 is an apocalyptic number.

45457547339 is a deficient number, since it is larger than the sum of its proper divisors (1).

45457547339 is an equidigital number, since it uses as much as digits as its factorization.

45457547339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31752000, while the sum is 56.

The spelling of 45457547339 in words is "forty-five billion, four hundred fifty-seven million, five hundred forty-seven thousand, three hundred thirty-nine".