142434430 has 16 divisors (see below), whose sum is σ = 257727744. Its totient is φ = 56674720.

The previous prime is 142434421. The next prime is 142434433. The reversal of 142434430 is 34434241.

It is a junction number, because it is equal to n+sod(n) for n = 142434395 and 142434404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142434433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35377 + ... + 39196.

It is an arithmetic number, because the mean of its divisors is an integer number (16107984).

Almost surely, 2^142434430 is an apocalyptic number.

142434430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142434430 is a deficient number, since it is larger than the sum of its proper divisors (115293314).

142434430 is a wasteful number, since it uses less digits than its factorization.

142434430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74771.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 142434430 is about 11934.5896452287. The cubic root of 142434430 is about 522.2418373163.

Adding to 142434430 its reverse (34434241), we get a palindrome (176868671).

The spelling of 142434430 in words is "one hundred forty-two million, four hundred thirty-four thousand, four hundred thirty".