142189163 has 2 divisors, whose sum is σ = 142189164. Its totient is φ = 142189162.

The previous prime is 142189153. The next prime is 142189169. The reversal of 142189163 is 361981241.

142189163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142189163 is a prime.

It is not a weakly prime, because it can be changed into another prime (142189169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71094581 + 71094582.

It is an arithmetic number, because the mean of its divisors is an integer number (71094582).

Almost surely, 2^142189163 is an apocalyptic number.

142189163 is a deficient number, since it is larger than the sum of its proper divisors (1).

142189163 is an equidigital number, since it uses as much as digits as its factorization.

142189163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 35.

The square root of 142189163 is about 11924.3097494153. The cubic root of 142189163 is about 521.9419044969.

The spelling of 142189163 in words is "one hundred forty-two million, one hundred eighty-nine thousand, one hundred sixty-three".