142828571 has 2 divisors, whose sum is σ = 142828572. Its totient is φ = 142828570.

The previous prime is 142828561. The next prime is 142828589. The reversal of 142828571 is 175828241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142828571 - 2²² = 138634267 is a prime.

It is a Chen prime.

It is equal to p_8062886 and since 142828571 and 8062886 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (142828531) 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, 71414285 + 71414286.

It is an arithmetic number, because the mean of its divisors is an integer number (71414286).

Almost surely, 2^142828571 is an apocalyptic number.

142828571 is a deficient number, since it is larger than the sum of its proper divisors (1).

142828571 is an equidigital number, since it uses as much as digits as its factorization.

142828571 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35840, while the sum is 38.

The square root of 142828571 is about 11951.0907870370. The cubic root of 142828571 is about 522.7231051977.

The spelling of 142828571 in words is "one hundred forty-two million, eight hundred twenty-eight thousand, five hundred seventy-one".