142948679 has 2 divisors, whose sum is σ = 142948680. Its totient is φ = 142948678.

The previous prime is 142948669. The next prime is 142948693. The reversal of 142948679 is 976849241.

It is a weak prime.

It is an emirp because it is prime and its reverse (976849241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142948679 - 2⁸ = 142948423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142948669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71474339 + 71474340.

It is an arithmetic number, because the mean of its divisors is an integer number (71474340).

Almost surely, 2^142948679 is an apocalyptic number.

142948679 is a deficient number, since it is larger than the sum of its proper divisors (1).

142948679 is an equidigital number, since it uses as much as digits as its factorization.

142948679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 50.

The square root of 142948679 is about 11956.1147117281. The cubic root of 142948679 is about 522.8695876460.

The spelling of 142948679 in words is "one hundred forty-two million, nine hundred forty-eight thousand, six hundred seventy-nine".