45354345217 has 2 divisors, whose sum is σ = 45354345218. Its totient is φ = 45354345216.

The previous prime is 45354345209. The next prime is 45354345259. The reversal of 45354345217 is 71254345354.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33724016881 + 11630328336 = 183641^2 + 107844^2 .

It is a cyclic number.

It is not a de Polignac number, because 45354345217 - 2³ = 45354345209 is a prime.

It is not a weakly prime, because it can be changed into another prime (45354343217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22677172608 + 22677172609.

It is an arithmetic number, because the mean of its divisors is an integer number (22677172609).

Almost surely, 2^45354345217 is an apocalyptic number.

It is an amenable number.

45354345217 is a deficient number, since it is larger than the sum of its proper divisors (1).

45354345217 is an equidigital number, since it uses as much as digits as its factorization.

45354345217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008000, while the sum is 43.

The spelling of 45354345217 in words is "forty-five billion, three hundred fifty-four million, three hundred forty-five thousand, two hundred seventeen".