68100143 has 2 divisors, whose sum is σ = 68100144. Its totient is φ = 68100142.

The previous prime is 68100127. The next prime is 68100157. The reversal of 68100143 is 34100186.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68100143 - 2⁴ = 68100127 is a prime.

It is a Sophie Germain prime.

It is equal to p_4012862 and since 68100143 and 4012862 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68100103) 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 as a sum of consecutive naturals, namely, 34050071 + 34050072.

It is an arithmetic number, because the mean of its divisors is an integer number (34050072).

Almost surely, 2^68100143 is an apocalyptic number.

68100143 is a deficient number, since it is larger than the sum of its proper divisors (1).

68100143 is an equidigital number, since it uses as much as digits as its factorization.

68100143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 68100143 is about 8252.2810785867. The cubic root of 68100143 is about 408.3657791609.

The spelling of 68100143 in words is "sixty-eight million, one hundred thousand, one hundred forty-three".