104845661 has 8 divisors (see below), whose sum is σ = 109711104. Its totient is φ = 100005840.

The previous prime is 104845639. The next prime is 104845669. The reversal of 104845661 is 166548401.

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

It is not a de Polignac number, because 104845661 - 2⁶ = 104845597 is a prime.

It is a super-2 number, since 2×104845661² = 21985225261053842, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104845669) 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 7 ways as a sum of consecutive naturals, for example, 2231 + ... + 14651.

It is an arithmetic number, because the mean of its divisors is an integer number (13713888).

Almost surely, 2^104845661 is an apocalyptic number.

It is an amenable number.

104845661 is a deficient number, since it is larger than the sum of its proper divisors (4865443).

104845661 is a wasteful number, since it uses less digits than its factorization.

104845661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12811.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 104845661 is about 10239.4170244209. The cubic root of 104845661 is about 471.5381341528.

The spelling of 104845661 in words is "one hundred four million, eight hundred forty-five thousand, six hundred sixty-one".