104509443 has 16 divisors (see below), whose sum is σ = 147845120. Its totient is φ = 65481696.

The previous prime is 104509439. The next prime is 104509453. The reversal of 104509443 is 344905401.

It is not a de Polignac number, because 104509443 - 2² = 104509439 is a prime.

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 104509443.

It is not an unprimeable number, because it can be changed into a prime (104509403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21 + ... + 14457.

It is an arithmetic number, because the mean of its divisors is an integer number (9240320).

Almost surely, 2^104509443 is an apocalyptic number.

104509443 is a deficient number, since it is larger than the sum of its proper divisors (43335677).

104509443 is a wasteful number, since it uses less digits than its factorization.

104509443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14586.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 104509443 is about 10222.9860119243. The cubic root of 104509443 is about 471.0335531742.

The spelling of 104509443 in words is "one hundred four million, five hundred nine thousand, four hundred forty-three".