142424434 has 16 divisors (see below), whose sum is σ = 215717400. Its totient is φ = 70521984.

The previous prime is 142424417. The next prime is 142424449. The reversal of 142424434 is 434424241.

It can be written as a sum of positive squares in 4 ways, for example, as 99062209 + 43362225 = 9953^2 + 6585^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127872 + ... + 128980.

Almost surely, 2^142424434 is an apocalyptic number.

142424434 is a deficient number, since it is larger than the sum of its proper divisors (73292966).

142424434 is a wasteful number, since it uses less digits than its factorization.

142424434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1677.

The product of its digits is 12288, while the sum is 28.

The square root of 142424434 is about 11934.1708551537. The cubic root of 142424434 is about 522.2296201122.

Adding to 142424434 its reverse (434424241), we get a palindrome (576848675).

The spelling of 142424434 in words is "one hundred forty-two million, four hundred twenty-four thousand, four hundred thirty-four".