17142143 has 2 divisors, whose sum is σ = 17142144. Its totient is φ = 17142142.

The previous prime is 17142133. The next prime is 17142173. The reversal of 17142143 is 34124171.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 17142143 - 2¹⁰ = 17141119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17142113) 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, 8571071 + 8571072.

It is an arithmetic number, because the mean of its divisors is an integer number (8571072).

Almost surely, 2^17142143 is an apocalyptic number.

17142143 is a deficient number, since it is larger than the sum of its proper divisors (1).

17142143 is an equidigital number, since it uses as much as digits as its factorization.

17142143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 672, while the sum is 23.

The square root of 17142143 is about 4140.3071142127. The cubic root of 17142143 is about 257.8428173444.

The spelling of 17142143 in words is "seventeen million, one hundred forty-two thousand, one hundred forty-three".