45515205153161 has 2 divisors, whose sum is σ = 45515205153162. Its totient is φ = 45515205153160.

The previous prime is 45515205153109. The next prime is 45515205153167. The reversal of 45515205153161 is 16135150251554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38993080869136 + 6522124284025 = 6244444^2 + 2553845^2 .

It is a cyclic number.

It is not a de Polignac number, because 45515205153161 - 2³⁰ = 45514131411337 is a prime.

It is not a weakly prime, because it can be changed into another prime (45515205153167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22757602576580 + 22757602576581.

It is an arithmetic number, because the mean of its divisors is an integer number (22757602576581).

Almost surely, 2^{45515205153161} is an apocalyptic number.

It is an amenable number.

45515205153161 is a deficient number, since it is larger than the sum of its proper divisors (1).

45515205153161 is an equidigital number, since it uses as much as digits as its factorization.

45515205153161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 450000, while the sum is 44.

The spelling of 45515205153161 in words is "forty-five trillion, five hundred fifteen billion, two hundred five million, one hundred fifty-three thousand, one hundred sixty-one".