142279311 has 12 divisors (see below), whose sum is σ = 198314648. Its totient is φ = 90727824.

The previous prime is 142279301. The next prime is 142279321. The reversal of 142279311 is 113972241.

It is an interprime number because it is at equal distance from previous prime (142279301) and next prime (142279321).

It is not a de Polignac number, because 142279311 - 2⁷ = 142279183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142279301) 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 11 ways as a sum of consecutive naturals, for example, 43240 + ... + 46413.

Almost surely, 2^142279311 is an apocalyptic number.

142279311 is a deficient number, since it is larger than the sum of its proper divisors (56035337).

142279311 is an equidigital number, since it uses as much as digits as its factorization.

142279311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89702 (or 89679 counting only the distinct ones).

The product of its digits is 3024, while the sum is 30.

The square root of 142279311 is about 11928.0891596265. The cubic root of 142279311 is about 522.0521850032.

The spelling of 142279311 in words is "one hundred forty-two million, two hundred seventy-nine thousand, three hundred eleven".