142804159 has 2 divisors, whose sum is σ = 142804160. Its totient is φ = 142804158.

The previous prime is 142804157. The next prime is 142804163. The reversal of 142804159 is 951408241.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142804159 - 2¹ = 142804157 is a prime.

Together with 142804157, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142804153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71402079 + 71402080.

It is an arithmetic number, because the mean of its divisors is an integer number (71402080).

Almost surely, 2^142804159 is an apocalyptic number.

142804159 is a deficient number, since it is larger than the sum of its proper divisors (1).

142804159 is an equidigital number, since it uses as much as digits as its factorization.

142804159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 142804159 is about 11950.0694140243. The cubic root of 142804159 is about 522.6933225395.

The spelling of 142804159 in words is "one hundred forty-two million, eight hundred four thousand, one hundred fifty-nine".