45868681 has 8 divisors (see below), whose sum is σ = 46801664. Its totient is φ = 44945280.

The previous prime is 45868673. The next prime is 45868687. The reversal of 45868681 is 18686854.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45868681 - 2³ = 45868673 is a prime.

It is a super-2 number, since 2×45868681² = 4207871793359522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45868687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7696 + ... + 12286.

It is an arithmetic number, because the mean of its divisors is an integer number (5850208).

Almost surely, 2^45868681 is an apocalyptic number.

It is an amenable number.

45868681 is a deficient number, since it is larger than the sum of its proper divisors (932983).

45868681 is a wasteful number, since it uses less digits than its factorization.

45868681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4791.

The product of its digits is 368640, while the sum is 46.

The square root of 45868681 is about 6772.6420989153. The cubic root of 45868681 is about 357.9635039728.

It can be divided in two parts, 4 and 5868681, that added together give a palindrome (5868685).

The spelling of 45868681 in words is "forty-five million, eight hundred sixty-eight thousand, six hundred eighty-one".