45144476449 has 2 divisors, whose sum is σ = 45144476450. Its totient is φ = 45144476448.

The previous prime is 45144476417. The next prime is 45144476467. The reversal of 45144476449 is 94467444154.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30009325824 + 15135150625 = 173232^2 + 123025^2 .

It is a cyclic number.

It is not a de Polignac number, because 45144476449 - 2⁵ = 45144476417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45144476396 and 45144476405.

It is not a weakly prime, because it can be changed into another prime (45144476479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22572238224 + 22572238225.

It is an arithmetic number, because the mean of its divisors is an integer number (22572238225).

Almost surely, 2^45144476449 is an apocalyptic number.

It is an amenable number.

45144476449 is a deficient number, since it is larger than the sum of its proper divisors (1).

45144476449 is an equidigital number, since it uses as much as digits as its factorization.

45144476449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7741440, while the sum is 52.

The spelling of 45144476449 in words is "forty-five billion, one hundred forty-four million, four hundred seventy-six thousand, four hundred forty-nine".