104404143 has 4 divisors (see below), whose sum is σ = 139205528. Its totient is φ = 69602760.

The previous prime is 104404133. The next prime is 104404159. The reversal of 104404143 is 341404401.

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

It is not a de Polignac number, because 104404143 - 2⁴ = 104404127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104404133) 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, 17400688 + ... + 17400693.

It is an arithmetic number, because the mean of its divisors is an integer number (34801382).

Almost surely, 2^104404143 is an apocalyptic number.

104404143 is a deficient number, since it is larger than the sum of its proper divisors (34801385).

104404143 is an equidigital number, since it uses as much as digits as its factorization.

104404143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34801384.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 104404143 is about 10217.8345553253. The cubic root of 104404143 is about 470.8753011242.

Adding to 104404143 its reverse (341404401), we get a palindrome (445808544).

The spelling of 104404143 in words is "one hundred four million, four hundred four thousand, one hundred forty-three".