142333 has 4 divisors (see below), whose sum is σ = 143100. Its totient is φ = 141568.

The previous prime is 142327. The next prime is 142357. The reversal of 142333 is 333241.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 333241 = 19 ⋅17539.

It can be written as a sum of positive squares in 2 ways, for example, as 41209 + 101124 = 203^2 + 318^2 .

It is a cyclic number.

It is not a de Polignac number, because 142333 - 2¹⁷ = 11261 is a prime.

It is a Duffinian number.

142333 is a modest number, since divided by 333 gives 142 as remainder.

142333 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93 + ... + 541.

It is an arithmetic number, because the mean of its divisors is an integer number (35775).

2¹⁴²³³³ is an apocalyptic number.

It is an amenable number.

142333 is a deficient number, since it is larger than the sum of its proper divisors (767).

142333 is an equidigital number, since it uses as much as digits as its factorization.

142333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766.

The product of its digits is 216, while the sum is 16.

The square root of 142333 is about 377.2704600151. The cubic root of 142333 is about 52.2117842089.

Adding to 142333 its reverse (333241), we get a palindrome (475574).

The spelling of 142333 in words is "one hundred forty-two thousand, three hundred thirty-three".