45306161 has 2 divisors, whose sum is σ = 45306162. Its totient is φ = 45306160.

The previous prime is 45306143. The next prime is 45306181. The reversal of 45306161 is 16160354.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22800625 + 22505536 = 4775^2 + 4744^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45306161 is a prime.

It is a Chen prime.

It is equal to p_2735603 and since 45306161 and 2735603 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45306161.

It is not a weakly prime, because it can be changed into another prime (45306101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22653080 + 22653081.

It is an arithmetic number, because the mean of its divisors is an integer number (22653081).

Almost surely, 2^45306161 is an apocalyptic number.

It is an amenable number.

45306161 is a deficient number, since it is larger than the sum of its proper divisors (1).

45306161 is an equidigital number, since it uses as much as digits as its factorization.

45306161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 45306161 is about 6730.9851433501. The cubic root of 45306161 is about 356.4941612976.

The spelling of 45306161 in words is "forty-five million, three hundred six thousand, one hundred sixty-one".