142440333 has 16 divisors (see below), whose sum is σ = 217391616. Its totient is φ = 81267120.

The previous prime is 142440323. The next prime is 142440349. The reversal of 142440333 is 333044241.

It is not a de Polignac number, because 142440333 - 2¹⁰ = 142439309 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142440323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9378 + ... + 19308.

It is an arithmetic number, because the mean of its divisors is an integer number (13586976).

Almost surely, 2^142440333 is an apocalyptic number.

It is an amenable number.

142440333 is a deficient number, since it is larger than the sum of its proper divisors (74951283).

142440333 is an equidigital number, since it uses as much as digits as its factorization.

142440333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10624.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 142440333 is about 11934.8369490329. The cubic root of 142440333 is about 522.2490517494.

Adding to 142440333 its reverse (333044241), we get a palindrome (475484574).

The spelling of 142440333 in words is "one hundred forty-two million, four hundred forty thousand, three hundred thirty-three".