142456579 has 2 divisors, whose sum is σ = 142456580. Its totient is φ = 142456578.

The previous prime is 142456553. The next prime is 142456597. The reversal of 142456579 is 975654241.

Together with next prime (142456597) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (975654241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142456579 - 2⁷ = 142456451 is a prime.

It is not a weakly prime, because it can be changed into another prime (142456879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71228289 + 71228290.

It is an arithmetic number, because the mean of its divisors is an integer number (71228290).

Almost surely, 2^142456579 is an apocalyptic number.

142456579 is a deficient number, since it is larger than the sum of its proper divisors (1).

142456579 is an equidigital number, since it uses as much as digits as its factorization.

142456579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302400, while the sum is 43.

The square root of 142456579 is about 11935.5175421931. The cubic root of 142456579 is about 522.2689059938.

The spelling of 142456579 in words is "one hundred forty-two million, four hundred fifty-six thousand, five hundred seventy-nine".