104143499 has 2 divisors, whose sum is σ = 104143500. Its totient is φ = 104143498.

The previous prime is 104143441. The next prime is 104143573. The reversal of 104143499 is 994341401.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104143499 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (104143799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52071749 + 52071750.

It is an arithmetic number, because the mean of its divisors is an integer number (52071750).

Almost surely, 2^104143499 is an apocalyptic number.

104143499 is a deficient number, since it is larger than the sum of its proper divisors (1).

104143499 is an equidigital number, since it uses as much as digits as its factorization.

104143499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 104143499 is about 10205.0722192447. The cubic root of 104143499 is about 470.4831292797.

The spelling of 104143499 in words is "one hundred four million, one hundred forty-three thousand, four hundred ninety-nine".