45240440117 has 2 divisors, whose sum is σ = 45240440118. Its totient is φ = 45240440116.

The previous prime is 45240440041. The next prime is 45240440149. The reversal of 45240440117 is 71104404254.

It is an a-pointer prime, because the next prime (45240440149) can be obtained adding 45240440117 to its sum of digits (32).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29984731921 + 15255708196 = 173161^2 + 123514^2 .

It is a cyclic number.

It is not a de Polignac number, because 45240440117 - 2¹⁴ = 45240423733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45240443117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22620220058 + 22620220059.

It is an arithmetic number, because the mean of its divisors is an integer number (22620220059).

Almost surely, 2^45240440117 is an apocalyptic number.

It is an amenable number.

45240440117 is a deficient number, since it is larger than the sum of its proper divisors (1).

45240440117 is an equidigital number, since it uses as much as digits as its factorization.

45240440117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17920, while the sum is 32.

The spelling of 45240440117 in words is "forty-five billion, two hundred forty million, four hundred forty thousand, one hundred seventeen".