45894161 has 2 divisors, whose sum is σ = 45894162. Its totient is φ = 45894160.

The previous prime is 45894157. The next prime is 45894209. The reversal of 45894161 is 16149854.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41667025 + 4227136 = 6455^2 + 2056^2 .

It is a cyclic number.

It is not a de Polignac number, because 45894161 - 2² = 45894157 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (45894061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22947080 + 22947081.

It is an arithmetic number, because the mean of its divisors is an integer number (22947081).

Almost surely, 2^45894161 is an apocalyptic number.

It is an amenable number.

45894161 is a deficient number, since it is larger than the sum of its proper divisors (1).

45894161 is an equidigital number, since it uses as much as digits as its factorization.

45894161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 38.

The square root of 45894161 is about 6774.5229352332. The cubic root of 45894161 is about 358.0297744761.

The spelling of 45894161 in words is "forty-five million, eight hundred ninety-four thousand, one hundred sixty-one".