142433425 has 12 divisors (see below), whose sum is σ = 177598876. Its totient is φ = 113313600.

The previous prime is 142433399. The next prime is 142433441. The reversal of 142433425 is 524334241.

142433425 = 438² + 439² + ... + 799².

It is a happy number.

142433425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 21455424 + 120978001 = 4632^2 + 10999^2 .

It is not a de Polignac number, because 142433425 - 2¹⁷ = 142302353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142433393 and 142433402.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11214 + ... + 20263.

Almost surely, 2^142433425 is an apocalyptic number.

It is an amenable number.

142433425 is a deficient number, since it is larger than the sum of its proper divisors (35165451).

142433425 is a wasteful number, since it uses less digits than its factorization.

142433425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31668 (or 31663 counting only the distinct ones).

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

The square root of 142433425 is about 11934.5475406485. The cubic root of 142433425 is about 522.2406090218.

Adding to 142433425 its reverse (524334241), we get a palindrome (666767666).

The spelling of 142433425 in words is "one hundred forty-two million, four hundred thirty-three thousand, four hundred twenty-five".