142816679 has 4 divisors (see below), whose sum is σ = 143108040. Its totient is φ = 142525320.

The previous prime is 142816669. The next prime is 142816693. The reversal of 142816679 is 976618241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142816679 - 2⁸ = 142816423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142816669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144944 + ... + 145925.

It is an arithmetic number, because the mean of its divisors is an integer number (35777010).

Almost surely, 2^142816679 is an apocalyptic number.

142816679 is a deficient number, since it is larger than the sum of its proper divisors (291361).

142816679 is an equidigital number, since it uses as much as digits as its factorization.

142816679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291360.

The product of its digits is 145152, while the sum is 44.

The square root of 142816679 is about 11950.5932488726. The cubic root of 142816679 is about 522.7085973728.

The spelling of 142816679 in words is "one hundred forty-two million, eight hundred sixteen thousand, six hundred seventy-nine".