104664645 has 12 divisors (see below), whose sum is σ = 181418796. Its totient is φ = 55821120.

The previous prime is 104664641. The next prime is 104664667. The reversal of 104664645 is 546466401.

104664645 is a `hidden beast` number, since 1 + 0 + 4 + 6 + 6 + 4 + 645 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 82846404 + 21818241 = 9102^2 + 4671^2 .

It is not a de Polignac number, because 104664645 - 2² = 104664641 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104664641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1162896 + ... + 1162985.

It is an arithmetic number, because the mean of its divisors is an integer number (15118233).

Almost surely, 2^104664645 is an apocalyptic number.

104664645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

104664645 is a deficient number, since it is larger than the sum of its proper divisors (76754151).

104664645 is a wasteful number, since it uses less digits than its factorization.

104664645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2325892 (or 2325889 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 104664645 is about 10230.5740308157. The cubic root of 104664645 is about 471.2666076837.

The spelling of 104664645 in words is "one hundred four million, six hundred sixty-four thousand, six hundred forty-five".