45108681 has 8 divisors (see below), whose sum is σ = 62760000. Its totient is φ = 28764912.

The previous prime is 45108653. The next prime is 45108691. The reversal of 45108681 is 18680154.

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

It is not a de Polignac number, because 45108681 - 2⁶ = 45108617 is a prime.

It is a super-2 number, since 2×45108681² = 4069586203119522, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45108611) 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, 326806 + ... + 326943.

It is an arithmetic number, because the mean of its divisors is an integer number (7845000).

Almost surely, 2^45108681 is an apocalyptic number.

It is an amenable number.

45108681 is a deficient number, since it is larger than the sum of its proper divisors (17651319).

45108681 is a wasteful number, since it uses less digits than its factorization.

45108681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653775.

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 45108681 is about 6716.2996508494. The cubic root of 45108681 is about 355.9754459562.

The spelling of 45108681 in words is "forty-five million, one hundred eight thousand, six hundred eighty-one".