104644105 has 4 divisors (see below), whose sum is σ = 125572932. Its totient is φ = 83715280.

The previous prime is 104644091. The next prime is 104644109. The reversal of 104644105 is 501446401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 501446401 = 1237 ⋅405373.

It can be written as a sum of positive squares in 2 ways, for example, as 36614601 + 68029504 = 6051^2 + 8248^2 .

It is not a de Polignac number, because 104644105 - 2⁹ = 104643593 is a prime.

It is a super-2 number, since 2×104644105² = 21900777422502050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 104644105.

It is not an unprimeable number, because it can be changed into a prime (104644109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10464406 + ... + 10464415.

It is an arithmetic number, because the mean of its divisors is an integer number (31393233).

Almost surely, 2^104644105 is an apocalyptic number.

It is an amenable number.

104644105 is a deficient number, since it is larger than the sum of its proper divisors (20928827).

104644105 is an equidigital number, since it uses as much as digits as its factorization.

104644105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20928826.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 104644105 is about 10229.5701278206. The cubic root of 104644105 is about 471.2357776315.

The spelling of 104644105 in words is "one hundred four million, six hundred forty-four thousand, one hundred five".