142858577 has 2 divisors, whose sum is σ = 142858578. Its totient is φ = 142858576.

The previous prime is 142858567. The next prime is 142858609. The reversal of 142858577 is 775858241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141158161 + 1700416 = 11881^2 + 1304^2 .

It is a cyclic number.

It is not a de Polignac number, because 142858577 - 2¹⁰ = 142857553 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (142858567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71429288 + 71429289.

It is an arithmetic number, because the mean of its divisors is an integer number (71429289).

Almost surely, 2^142858577 is an apocalyptic number.

It is an amenable number.

142858577 is a deficient number, since it is larger than the sum of its proper divisors (1).

142858577 is an equidigital number, since it uses as much as digits as its factorization.

142858577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 627200, while the sum is 47.

The square root of 142858577 is about 11952.3460876934. The cubic root of 142858577 is about 522.7597078912.

The spelling of 142858577 in words is "one hundred forty-two million, eight hundred fifty-eight thousand, five hundred seventy-seven".