104144143 has 2 divisors, whose sum is σ = 104144144. Its totient is φ = 104144142.

The previous prime is 104144137. The next prime is 104144153. The reversal of 104144143 is 341441401.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104144143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104144113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52072071 + 52072072.

It is an arithmetic number, because the mean of its divisors is an integer number (52072072).

Almost surely, 2^104144143 is an apocalyptic number.

104144143 is a deficient number, since it is larger than the sum of its proper divisors (1).

104144143 is an equidigital number, since it uses as much as digits as its factorization.

104144143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 104144143 is about 10205.1037721328. The cubic root of 104144143 is about 470.4840990650.

Adding to 104144143 its reverse (341441401), we get a palindrome (445585544).

The spelling of 104144143 in words is "one hundred four million, one hundred forty-four thousand, one hundred forty-three".