142424335 has 16 divisors (see below), whose sum is σ = 175168512. Its totient is φ = 111117600.

The previous prime is 142424333. The next prime is 142424341. The reversal of 142424335 is 533424241.

142424335 = 299² + 300² + ... + 768².

It is a happy number.

It is not a de Polignac number, because 142424335 - 2¹ = 142424333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142424333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76870 + ... + 78700.

It is an arithmetic number, because the mean of its divisors is an integer number (10948032).

Almost surely, 2^142424335 is an apocalyptic number.

142424335 is a deficient number, since it is larger than the sum of its proper divisors (32744177).

142424335 is a wasteful number, since it uses less digits than its factorization.

142424335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2214.

The product of its digits is 11520, while the sum is 28.

The square root of 142424335 is about 11934.1667073994. The cubic root of 142424335 is about 522.2294991106.

Adding to 142424335 its reverse (533424241), we get a palindrome (675848576).

The spelling of 142424335 in words is "one hundred forty-two million, four hundred twenty-four thousand, three hundred thirty-five".