142223333 has 6 divisors (see below), whose sum is σ = 165443526. Its totient is φ = 121905672.

The previous prime is 142223311. The next prime is 142223339. The reversal of 142223333 is 333322241.

It can be written as a sum of positive squares in only one way, i.e., 81414529 + 60808804 = 9023^2 + 7798^2 .

It is not a de Polignac number, because 142223333 - 2⁸ = 142223077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 142223299 and 142223308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142223339) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1451210 + ... + 1451307.

It is an arithmetic number, because the mean of its divisors is an integer number (27573921).

Almost surely, 2^142223333 is an apocalyptic number.

It is an amenable number.

142223333 is a deficient number, since it is larger than the sum of its proper divisors (23220193).

142223333 is an equidigital number, since it uses as much as digits as its factorization.

142223333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2902531 (or 2902524 counting only the distinct ones).

The product of its digits is 2592, while the sum is 23.

The square root of 142223333 is about 11925.7424506821. The cubic root of 142223333 is about 521.9837110736.

Adding to 142223333 its reverse (333322241), we get a palindrome (475545574).

The spelling of 142223333 in words is "one hundred forty-two million, two hundred twenty-three thousand, three hundred thirty-three".