142267 has 4 divisors (see below), whose sum is σ = 143640. Its totient is φ = 140896.

The previous prime is 142237. The next prime is 142271. The reversal of 142267 is 762241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142267 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a plaindrome in base 14 and base 16.

It is a zygodrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (142217) 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 in 3 ways as a sum of consecutive naturals, for example, 517 + ... + 742.

It is an arithmetic number, because the mean of its divisors is an integer number (35910).

2¹⁴²²⁶⁷ is an apocalyptic number.

142267 is a deficient number, since it is larger than the sum of its proper divisors (1373).

142267 is a wasteful number, since it uses less digits than its factorization.

142267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372.

The product of its digits is 672, while the sum is 22.

The square root of 142267 is about 377.1829794675. The cubic root of 142267 is about 52.2037127368.

The spelling of 142267 in words is "one hundred forty-two thousand, two hundred sixty-seven".