142248679 has 2 divisors, whose sum is σ = 142248680. Its totient is φ = 142248678.

The previous prime is 142248671. The next prime is 142248697. The reversal of 142248679 is 976842241.

Together with next prime (142248697) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142248679 - 2³ = 142248671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142248671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71124339 + 71124340.

It is an arithmetic number, because the mean of its divisors is an integer number (71124340).

Almost surely, 2^142248679 is an apocalyptic number.

142248679 is a deficient number, since it is larger than the sum of its proper divisors (1).

142248679 is an equidigital number, since it uses as much as digits as its factorization.

142248679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 43.

The square root of 142248679 is about 11926.8050625471. The cubic root of 142248679 is about 522.0147172688.

The spelling of 142248679 in words is "one hundred forty-two million, two hundred forty-eight thousand, six hundred seventy-nine".