45020454161 has 2 divisors, whose sum is σ = 45020454162. Its totient is φ = 45020454160.

The previous prime is 45020454071. The next prime is 45020454163. The reversal of 45020454161 is 16145402054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45020352400 + 101761 = 212180^2 + 319^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45020454161 is a prime.

Together with 45020454163, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45020454163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22510227080 + 22510227081.

It is an arithmetic number, because the mean of its divisors is an integer number (22510227081).

Almost surely, 2^45020454161 is an apocalyptic number.

It is an amenable number.

45020454161 is a deficient number, since it is larger than the sum of its proper divisors (1).

45020454161 is an equidigital number, since it uses as much as digits as its factorization.

45020454161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19200, while the sum is 32.

The spelling of 45020454161 in words is "forty-five billion, twenty million, four hundred fifty-four thousand, one hundred sixty-one".