142343233 has 4 divisors (see below), whose sum is σ = 142872660. Its totient is φ = 141813808.

The previous prime is 142343221. The next prime is 142343237. The reversal of 142343233 is 332343241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10942864 + 131400369 = 3308^2 + 11463^2 .

It is a cyclic number.

It is not a de Polignac number, because 142343233 - 2⁹ = 142342721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142343198 and 142343207.

It is not an unprimeable number, because it can be changed into a prime (142343237) 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, 264310 + ... + 264847.

It is an arithmetic number, because the mean of its divisors is an integer number (35718165).

Almost surely, 2^142343233 is an apocalyptic number.

It is an amenable number.

142343233 is a deficient number, since it is larger than the sum of its proper divisors (529427).

142343233 is an equidigital number, since it uses as much as digits as its factorization.

142343233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529426.

The product of its digits is 5184, while the sum is 25.

The square root of 142343233 is about 11930.7683323414. The cubic root of 142343233 is about 522.1303543057.

Adding to 142343233 its reverse (332343241), we get a palindrome (474686474).

The spelling of 142343233 in words is "one hundred forty-two million, three hundred forty-three thousand, two hundred thirty-three".