142189063 has 2 divisors, whose sum is σ = 142189064. Its totient is φ = 142189062.

The previous prime is 142189057. The next prime is 142189079. The reversal of 142189063 is 360981241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142189063 - 2¹⁷ = 142057991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142189163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71094531 + 71094532.

It is an arithmetic number, because the mean of its divisors is an integer number (71094532).

Almost surely, 2^142189063 is an apocalyptic number.

142189063 is a deficient number, since it is larger than the sum of its proper divisors (1).

142189063 is an equidigital number, since it uses as much as digits as its factorization.

142189063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 142189063 is about 11924.3055562997. The cubic root of 142189063 is about 521.9417821383.

The spelling of 142189063 in words is "one hundred forty-two million, one hundred eighty-nine thousand, sixty-three".