45718461 has 6 divisors (see below), whose sum is σ = 66037790. Its totient is φ = 30478968.

The previous prime is 45718399. The next prime is 45718493. The reversal of 45718461 is 16481754.

It is a happy number.

45718461 is a `hidden beast` number, since 4 + 571 + 84 + 6 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 44756100 + 962361 = 6690^2 + 981^2 .

It is not a de Polignac number, because 45718461 - 2¹⁹ = 45194173 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45718261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2539906 + ... + 2539923.

Almost surely, 2^45718461 is an apocalyptic number.

It is an amenable number.

45718461 is a deficient number, since it is larger than the sum of its proper divisors (20319329).

45718461 is a wasteful number, since it uses less digits than its factorization.

45718461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5079835 (or 5079832 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 45718461 is about 6761.5427973207. The cubic root of 45718461 is about 357.5722995900.

The spelling of 45718461 in words is "forty-five million, seven hundred eighteen thousand, four hundred sixty-one".