45522455549 has 2 divisors, whose sum is σ = 45522455550. Its totient is φ = 45522455548.

The previous prime is 45522455527. The next prime is 45522455567. The reversal of 45522455549 is 94555422554.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42784026649 + 2738428900 = 206843^2 + 52330^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45522455549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45522455497 and 45522455506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45522455149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22761227774 + 22761227775.

It is an arithmetic number, because the mean of its divisors is an integer number (22761227775).

Almost surely, 2^45522455549 is an apocalyptic number.

It is an amenable number.

45522455549 is a deficient number, since it is larger than the sum of its proper divisors (1).

45522455549 is an equidigital number, since it uses as much as digits as its factorization.

45522455549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7200000, while the sum is 50.

The spelling of 45522455549 in words is "forty-five billion, five hundred twenty-two million, four hundred fifty-five thousand, five hundred forty-nine".