142433430 has 32 divisors (see below), whose sum is σ = 342157824. Its totient is φ = 37946976.

The previous prime is 142433399. The next prime is 142433441. The reversal of 142433430 is 34334241.

It is a self number, because there is not a number n which added to its sum of digits gives 142433430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54739 + ... + 57281.

It is an arithmetic number, because the mean of its divisors is an integer number (10692432).

Almost surely, 2^142433430 is an apocalyptic number.

142433430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142433430 is an abundant number, since it is smaller than the sum of its proper divisors (199724394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142433430 is a wasteful number, since it uses less digits than its factorization.

142433430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4420.

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

The square root of 142433430 is about 11934.5477501244. The cubic root of 142433430 is about 522.2406151327.

Adding to 142433430 its reverse (34334241), we get a palindrome (176767671).

The spelling of 142433430 in words is "one hundred forty-two million, four hundred thirty-three thousand, four hundred thirty".