142684163 has 2 divisors, whose sum is σ = 142684164. Its totient is φ = 142684162.

The previous prime is 142684133. The next prime is 142684189. The reversal of 142684163 is 361486241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142684163 - 2¹² = 142680067 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (142684133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71342081 + 71342082.

It is an arithmetic number, because the mean of its divisors is an integer number (71342082).

Almost surely, 2^142684163 is an apocalyptic number.

142684163 is a deficient number, since it is larger than the sum of its proper divisors (1).

142684163 is an equidigital number, since it uses as much as digits as its factorization.

142684163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 35.

The square root of 142684163 is about 11945.0476348987. The cubic root of 142684163 is about 522.5468779625.

The spelling of 142684163 in words is "one hundred forty-two million, six hundred eighty-four thousand, one hundred sixty-three".