142848779 has 2 divisors, whose sum is σ = 142848780. Its totient is φ = 142848778.

The previous prime is 142848737. The next prime is 142848781. The reversal of 142848779 is 977848241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142848779 - 2¹⁶ = 142783243 is a prime.

Together with 142848781, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (142848179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71424389 + 71424390.

It is an arithmetic number, because the mean of its divisors is an integer number (71424390).

Almost surely, 2^142848779 is an apocalyptic number.

142848779 is a deficient number, since it is larger than the sum of its proper divisors (1).

142848779 is an equidigital number, since it uses as much as digits as its factorization.

142848779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 903168, while the sum is 50.

The square root of 142848779 is about 11951.9362029757. The cubic root of 142848779 is about 522.7477564055.

The spelling of 142848779 in words is "one hundred forty-two million, eight hundred forty-eight thousand, seven hundred seventy-nine".