142279301 has 2 divisors, whose sum is σ = 142279302. Its totient is φ = 142279300.

The previous prime is 142279283. The next prime is 142279321. The reversal of 142279301 is 103972241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131217025 + 11062276 = 11455^2 + 3326^2 .

It is an emirp because it is prime and its reverse (103972241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142279301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142279321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71139650 + 71139651.

It is an arithmetic number, because the mean of its divisors is an integer number (71139651).

Almost surely, 2^142279301 is an apocalyptic number.

It is an amenable number.

142279301 is a deficient number, since it is larger than the sum of its proper divisors (1).

142279301 is an equidigital number, since it uses as much as digits as its factorization.

142279301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 142279301 is about 11928.0887404479. The cubic root of 142279301 is about 522.0521727725.

The spelling of 142279301 in words is "one hundred forty-two million, two hundred seventy-nine thousand, three hundred one".