104045681 has 8 divisors (see below), whose sum is σ = 106619040. Its totient is φ = 101479392.

The previous prime is 104045663. The next prime is 104045699. The reversal of 104045681 is 186540401.

It is an interprime number because it is at equal distance from previous prime (104045663) and next prime (104045699).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104045681 is a prime.

It is a super-4 number, since 4×104045681⁴ (a number of 33 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104045611) 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, 39710 + ... + 42248.

It is an arithmetic number, because the mean of its divisors is an integer number (13327380).

Almost surely, 2^104045681 is an apocalyptic number.

It is an amenable number.

104045681 is a deficient number, since it is larger than the sum of its proper divisors (2573359).

104045681 is an equidigital number, since it uses as much as digits as its factorization.

104045681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3535.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 104045681 is about 10200.2784765907. The cubic root of 104045681 is about 470.3357808757.

The spelling of 104045681 in words is "one hundred four million, forty-five thousand, six hundred eighty-one".