266142 has 8 divisors (see below), whose sum is σ = 532296. Its totient is φ = 88712.

The previous prime is 266137. The next prime is 266153. The reversal of 266142 is 241662.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

266142 is an admirable number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 266142.

It is an unprimeable number.

266142 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 3 ways as a sum of consecutive naturals, for example, 22173 + ... + 22184.

It is an arithmetic number, because the mean of its divisors is an integer number (66537).

2²⁶⁶¹⁴² is an apocalyptic number.

266142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

266142 is a wasteful number, since it uses less digits than its factorization.

266142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44362.

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

The square root of 266142 is about 515.8895230570. The cubic root of 266142 is about 64.3237179171.

The spelling of 266142 in words is "two hundred sixty-six thousand, one hundred forty-two".