142235233 has 8 divisors (see below), whose sum is σ = 162704768. Its totient is φ = 121803264.

The previous prime is 142235221. The next prime is 142235239. The reversal of 142235233 is 332532241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142235233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142235198 and 142235207.

It is not an unprimeable number, because it can be changed into a prime (142235239) 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 7 ways as a sum of consecutive naturals, for example, 741 + ... + 16882.

It is an arithmetic number, because the mean of its divisors is an integer number (20338096).

Almost surely, 2^142235233 is an apocalyptic number.

It is an amenable number.

142235233 is a deficient number, since it is larger than the sum of its proper divisors (20469535).

142235233 is a wasteful number, since it uses less digits than its factorization.

142235233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18783.

The product of its digits is 4320, while the sum is 25.

The square root of 142235233 is about 11926.2413609653. The cubic root of 142235233 is about 521.9982690058.

Adding to 142235233 its reverse (332532241), we get a palindrome (474767474).

The spelling of 142235233 in words is "one hundred forty-two million, two hundred thirty-five thousand, two hundred thirty-three".