45240254355539 has 2 divisors, whose sum is σ = 45240254355540. Its totient is φ = 45240254355538.

The previous prime is 45240254355529. The next prime is 45240254355557. The reversal of 45240254355539 is 93555345204254.

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-45240254355539 is a prime.

It is a super-2 number, since 2×45240254355539² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45240254355529) 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 as a sum of consecutive naturals, namely, 22620127177769 + 22620127177770.

It is an arithmetic number, because the mean of its divisors is an integer number (22620127177770).

Almost surely, 2^{45240254355539} is an apocalyptic number.

45240254355539 is a deficient number, since it is larger than the sum of its proper divisors (1).

45240254355539 is an equidigital number, since it uses as much as digits as its factorization.

45240254355539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800000, while the sum is 56.

The spelling of 45240254355539 in words is "forty-five trillion, two hundred forty billion, two hundred fifty-four million, three hundred fifty-five thousand, five hundred thirty-nine".