142269 has 8 divisors (see below), whose sum is σ = 193920. Its totient is φ = 92736.

The previous prime is 142237. The next prime is 142271. The reversal of 142269 is 962241.

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

It is not a de Polignac number, because 142269 - 2⁵ = 142237 is a prime.

It is a super-2 number, since 2×142269² = 40480936722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142169) 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 7 ways as a sum of consecutive naturals, for example, 364 + ... + 645.

It is an arithmetic number, because the mean of its divisors is an integer number (24240).

2¹⁴²²⁶⁹ is an apocalyptic number.

It is an amenable number.

142269 is a deficient number, since it is larger than the sum of its proper divisors (51651).

142269 is a wasteful number, since it uses less digits than its factorization.

142269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059.

The product of its digits is 864, while the sum is 24.

The square root of 142269 is about 377.1856306913. The cubic root of 142269 is about 52.2039573635.

The spelling of 142269 in words is "one hundred forty-two thousand, two hundred sixty-nine".