142432159 has 2 divisors, whose sum is σ = 142432160. Its totient is φ = 142432158.

The previous prime is 142432097. The next prime is 142432183. The reversal of 142432159 is 951234241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142432159 - 2¹¹ = 142430111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142432159.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142438159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71216079 + 71216080.

It is an arithmetic number, because the mean of its divisors is an integer number (71216080).

Almost surely, 2^142432159 is an apocalyptic number.

142432159 is a deficient number, since it is larger than the sum of its proper divisors (1).

142432159 is an equidigital number, since it uses as much as digits as its factorization.

142432159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 31.

The square root of 142432159 is about 11934.4945012346. The cubic root of 142432159 is about 522.2390617292.

The spelling of 142432159 in words is "one hundred forty-two million, four hundred thirty-two thousand, one hundred fifty-nine".