104445 has 24 divisors (see below), whose sum is σ = 198432. Its totient is φ = 50400.

The previous prime is 104417. The next prime is 104459. The reversal of 104445 is 544401.

It is not a de Polignac number, because 104445 - 2⁶ = 104381 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 390 + ... + 600.

It is an arithmetic number, because the mean of its divisors is an integer number (8268).

2¹⁰⁴⁴⁴⁵ is an apocalyptic number.

104445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

104445 is a deficient number, since it is larger than the sum of its proper divisors (93987).

104445 is a wasteful number, since it uses less digits than its factorization.

104445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 104445 is about 323.1795166777. The cubic root of 104445 is about 47.0936716449.

Adding to 104445 its reverse (544401), we get a palindrome (648846).

It can be divided in two parts, 1044 and 45, that added together give a square (1089 = 33²).

The spelling of 104445 in words is "one hundred four thousand, four hundred forty-five".