104145 has 16 divisors (see below), whose sum is σ = 171072. Its totient is φ = 54080.

The previous prime is 104123. The next prime is 104147. The reversal of 104145 is 541401.

It is not a de Polignac number, because 104145 - 2⁵ = 104113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (104147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 730 + ... + 860.

It is an arithmetic number, because the mean of its divisors is an integer number (10692).

2¹⁰⁴¹⁴⁵ is an apocalyptic number.

104145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

104145 is a deficient number, since it is larger than the sum of its proper divisors (66927).

104145 is a wasteful number, since it uses less digits than its factorization.

104145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 104145 is about 322.7150445827. The cubic root of 104145 is about 47.0485389596.

Adding to 104145 its reverse (541401), we get a palindrome (645546).

The spelling of 104145 in words is "one hundred four thousand, one hundred forty-five".