142279267 has 16 divisors (see below), whose sum is σ = 158427360. Its totient is φ = 126950400.

The previous prime is 142279261. The next prime is 142279283. The reversal of 142279267 is 762972241.

It is a cyclic number.

It is not a de Polignac number, because 142279267 - 2³ = 142279259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142279261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45267 + ... + 48307.

It is an arithmetic number, because the mean of its divisors is an integer number (9901710).

Almost surely, 2^142279267 is an apocalyptic number.

142279267 is a deficient number, since it is larger than the sum of its proper divisors (16148093).

142279267 is a wasteful number, since it uses less digits than its factorization.

142279267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3174.

The product of its digits is 84672, while the sum is 40.

The square root of 142279267 is about 11928.0873152404. The cubic root of 142279267 is about 522.0521311881.

The spelling of 142279267 in words is "one hundred forty-two million, two hundred seventy-nine thousand, two hundred sixty-seven".