142231333 has 16 divisors (see below), whose sum is σ = 158336640. Its totient is φ = 127074816.

The previous prime is 142231307. The next prime is 142231339. The reversal of 142231333 is 333132241.

It is not a de Polignac number, because 142231333 - 2⁵ = 142231301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142231339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53041 + ... + 55657.

It is an arithmetic number, because the mean of its divisors is an integer number (9896040).

Almost surely, 2^142231333 is an apocalyptic number.

It is an amenable number.

142231333 is a deficient number, since it is larger than the sum of its proper divisors (16105307).

142231333 is a wasteful number, since it uses less digits than its factorization.

142231333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2796.

The product of its digits is 1296, while the sum is 22.

The square root of 142231333 is about 11926.0778548524. The cubic root of 142231333 is about 521.9934980082.

Adding to 142231333 its reverse (333132241), we get a palindrome (475363574).

The spelling of 142231333 in words is "one hundred forty-two million, two hundred thirty-one thousand, three hundred thirty-three".