104143240 has 16 divisors (see below), whose sum is σ = 234322380. Its totient is φ = 41657280.

The previous prime is 104143231. The next prime is 104143301. The reversal of 104143240 is 42341401.

It can be written as a sum of positive squares in 2 ways, for example, as 99241444 + 4901796 = 9962^2 + 2214^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1301751 + ... + 1301830.

Almost surely, 2^104143240 is an apocalyptic number.

104143240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104143240 is an abundant number, since it is smaller than the sum of its proper divisors (130179140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

104143240 is a wasteful number, since it uses less digits than its factorization.

104143240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2603592 (or 2603588 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 104143240 is about 10205.0595294687. The cubic root of 104143240 is about 470.4827392562.

Adding to 104143240 its reverse (42341401), we get a palindrome (146484641).

The spelling of 104143240 in words is "one hundred four million, one hundred forty-three thousand, two hundred forty".