142330433 has 4 divisors (see below), whose sum is σ = 162663360. Its totient is φ = 121997508.

The previous prime is 142330421. The next prime is 142330439. The reversal of 142330433 is 334033241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 142330433 - 2¹⁶ = 142264897 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142330399 and 142330408.

It is not an unprimeable number, because it can be changed into a prime (142330439) 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 3 ways as a sum of consecutive naturals, for example, 10166453 + ... + 10166466.

It is an arithmetic number, because the mean of its divisors is an integer number (40665840).

Almost surely, 2^142330433 is an apocalyptic number.

It is an amenable number.

142330433 is a deficient number, since it is larger than the sum of its proper divisors (20332927).

142330433 is an equidigital number, since it uses as much as digits as its factorization.

142330433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20332926.

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

The square root of 142330433 is about 11930.2318921302. The cubic root of 142330433 is about 522.1147032424.

Adding to 142330433 its reverse (334033241), we get a palindrome (476363674).

The spelling of 142330433 in words is "one hundred forty-two million, three hundred thirty thousand, four hundred thirty-three".