45317161 has 2 divisors, whose sum is σ = 45317162. Its totient is φ = 45317160.

The previous prime is 45317149. The next prime is 45317171. The reversal of 45317161 is 16171354.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41538025 + 3779136 = 6445^2 + 1944^2 .

It is a cyclic number.

It is not a de Polignac number, because 45317161 - 2¹¹ = 45315113 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45317131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22658580 + 22658581.

It is an arithmetic number, because the mean of its divisors is an integer number (22658581).

Almost surely, 2^45317161 is an apocalyptic number.

It is an amenable number.

45317161 is a deficient number, since it is larger than the sum of its proper divisors (1).

45317161 is an equidigital number, since it uses as much as digits as its factorization.

45317161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 28.

The square root of 45317161 is about 6731.8022104040. The cubic root of 45317161 is about 356.5230103428.

It can be divided in two parts, 45 and 317161, that added together give a triangular number (317206 = T₇₉₆).

The spelling of 45317161 in words is "forty-five million, three hundred seventeen thousand, one hundred sixty-one".