142266 has 16 divisors (see below), whose sum is σ = 288288. Its totient is φ = 46800.

The previous prime is 142237. The next prime is 142271. The reversal of 142266 is 662241.

It is a happy number.

It is a super-2 number, since 2×142266² = 40479229512, which contains 22 as substring.

It is a plaindrome in base 14.

It is an unprimeable number.

142266 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 696 + ... + 876.

It is an arithmetic number, because the mean of its divisors is an integer number (18018).

2¹⁴²²⁶⁶ is an apocalyptic number.

142266 is an abundant number, since it is smaller than the sum of its proper divisors (146022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142266 is a wasteful number, since it uses less digits than its factorization.

142266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317.

The product of its digits is 576, while the sum is 21.

The square root of 142266 is about 377.1816538486. The cubic root of 142266 is about 52.2035904226.

The spelling of 142266 in words is "one hundred forty-two thousand, two hundred sixty-six".