45668161 has 16 divisors (see below), whose sum is σ = 58152960. Its totient is φ = 34825680.

The previous prime is 45668141. The next prime is 45668167. The reversal of 45668161 is 16186654.

45668161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 45668161 - 2⁹ = 45667649 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45668161.

It is not an unprimeable number, because it can be changed into a prime (45668167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2691 + ... + 9928.

It is an arithmetic number, because the mean of its divisors is an integer number (3634560).

Almost surely, 2^45668161 is an apocalyptic number.

It is an amenable number.

45668161 is a deficient number, since it is larger than the sum of its proper divisors (12484799).

45668161 is a wasteful number, since it uses less digits than its factorization.

45668161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12684.

The product of its digits is 34560, while the sum is 37.

The square root of 45668161 is about 6757.8222083745. The cubic root of 45668161 is about 357.4411163553.

The spelling of 45668161 in words is "forty-five million, six hundred sixty-eight thousand, one hundred sixty-one".