104240144 has 10 divisors (see below), whose sum is σ = 201965310. Its totient is φ = 52120064.

The previous prime is 104240083. The next prime is 104240153. The reversal of 104240144 is 441042401.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 100240144 + 4000000 = 10012^2 + 2000^2 .

It is a super-2 number, since 2×104240144² = 21732015242281472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3257489 + ... + 3257520.

It is an arithmetic number, because the mean of its divisors is an integer number (20196531).

Almost surely, 2^104240144 is an apocalyptic number.

It is an amenable number.

104240144 is a deficient number, since it is larger than the sum of its proper divisors (97725166).

104240144 is an equidigital number, since it uses as much as digits as its factorization.

104240144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6515017 (or 6515011 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 104240144 is about 10209.8062665263. The cubic root of 104240144 is about 470.6286201469.

Adding to 104240144 its reverse (441042401), we get a palindrome (545282545).

The spelling of 104240144 in words is "one hundred four million, two hundred forty thousand, one hundred forty-four".