142828559 has 2 divisors, whose sum is σ = 142828560. Its totient is φ = 142828558.

The previous prime is 142828541. The next prime is 142828561. The reversal of 142828559 is 955828241.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142828559 is a prime.

Together with 142828561, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142828519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71414279 + 71414280.

It is an arithmetic number, because the mean of its divisors is an integer number (71414280).

Almost surely, 2^142828559 is an apocalyptic number.

142828559 is a deficient number, since it is larger than the sum of its proper divisors (1).

142828559 is an equidigital number, since it uses as much as digits as its factorization.

142828559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 230400, while the sum is 44.

The square root of 142828559 is about 11951.0902849907. The cubic root of 142828559 is about 522.7230905585.

The spelling of 142828559 in words is "one hundred forty-two million, eight hundred twenty-eight thousand, five hundred fifty-nine".