45505459141081 has 2 divisors, whose sum is σ = 45505459141082. Its totient is φ = 45505459141080.

The previous prime is 45505459141049. The next prime is 45505459141097. The reversal of 45505459141081 is 18014195450554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31437776163600 + 14067682977481 = 5606940^2 + 3750691^2 .

It is a cyclic number.

It is not a de Polignac number, because 45505459141081 - 2⁵ = 45505459141049 is a prime.

It is a super-2 number, since 2×45505459141081² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45505459141001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22752729570540 + 22752729570541.

It is an arithmetic number, because the mean of its divisors is an integer number (22752729570541).

Almost surely, 2^{45505459141081} is an apocalyptic number.

It is an amenable number.

45505459141081 is a deficient number, since it is larger than the sum of its proper divisors (1).

45505459141081 is an equidigital number, since it uses as much as digits as its factorization.

45505459141081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880000, while the sum is 52.

The spelling of 45505459141081 in words is "forty-five trillion, five hundred five billion, four hundred fifty-nine million, one hundred forty-one thousand, eighty-one".