104245 has 4 divisors (see below), whose sum is σ = 125100. Its totient is φ = 83392.

The previous prime is 104243. The next prime is 104281. The reversal of 104245 is 542401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 70756 + 33489 = 266^2 + 183^2 .

It is a cyclic number.

It is not a de Polignac number, because 104245 - 2¹ = 104243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104243) 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, 10420 + ... + 10429.

It is an arithmetic number, because the mean of its divisors is an integer number (31275).

2¹⁰⁴²⁴⁵ is an apocalyptic number.

It is an amenable number.

104245 is a deficient number, since it is larger than the sum of its proper divisors (20855).

104245 is an equidigital number, since it uses as much as digits as its factorization.

104245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20854.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 104245 is about 322.8699428563. The cubic root of 104245 is about 47.0635928071.

Adding to 104245 its reverse (542401), we get a palindrome (646646).

The spelling of 104245 in words is "one hundred four thousand, two hundred forty-five".