104106645 has 24 divisors (see below), whose sum is σ = 184294656. Its totient is φ = 54341088.

The previous prime is 104106637. The next prime is 104106647. The reversal of 104106645 is 546601401.

104106645 is a `hidden beast` number, since 1 + 0 + 4 + 10 + 6 + 645 = 666.

It is not a de Polignac number, because 104106645 - 2³ = 104106637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104106647) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22497 + ... + 26726.

It is an arithmetic number, because the mean of its divisors is an integer number (7678944).

Almost surely, 2^104106645 is an apocalyptic number.

104106645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

104106645 is a deficient number, since it is larger than the sum of its proper divisors (80188011).

104106645 is a wasteful number, since it uses less digits than its factorization.

104106645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49281 (or 49278 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 104106645 is about 10203.2663887600. The cubic root of 104106645 is about 470.4276249959.

The spelling of 104106645 in words is "one hundred four million, one hundred six thousand, six hundred forty-five".