104387144 has 24 divisors (see below), whose sum is σ = 200411910. Its totient is φ = 50972544.

The previous prime is 104387119. The next prime is 104387147. The reversal of 104387144 is 441783401.

It can be written as a sum of positive squares in only one way, i.e., 53436100 + 50951044 = 7310^2 + 7138^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 104387144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104387147) 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 5 ways as a sum of consecutive naturals, for example, 11264 + ... + 18320.

Almost surely, 2^104387144 is an apocalyptic number.

It is an amenable number.

104387144 is a deficient number, since it is larger than the sum of its proper divisors (96024766).

104387144 is an equidigital number, since it uses as much as digits as its factorization.

104387144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7149 (or 7102 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 104387144 is about 10217.0026915921. The cubic root of 104387144 is about 470.8497438890.

The spelling of 104387144 in words is "one hundred four million, three hundred eighty-seven thousand, one hundred forty-four".