142167559 has 2 divisors, whose sum is σ = 142167560. Its totient is φ = 142167558.

The previous prime is 142167547. The next prime is 142167563. The reversal of 142167559 is 955761241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142167559 - 2²¹ = 140070407 is a prime.

It is a super-2 number, since 2×142167559² = 40423229664036962, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142167569) 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, 71083779 + 71083780.

It is an arithmetic number, because the mean of its divisors is an integer number (71083780).

Almost surely, 2^142167559 is an apocalyptic number.

142167559 is a deficient number, since it is larger than the sum of its proper divisors (1).

142167559 is an equidigital number, since it uses as much as digits as its factorization.

142167559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 40.

The square root of 142167559 is about 11923.4038344761. The cubic root of 142167559 is about 521.9154688113.

The spelling of 142167559 in words is "one hundred forty-two million, one hundred sixty-seven thousand, five hundred fifty-nine".