142432234 has 16 divisors (see below), whose sum is σ = 244476288. Its totient is φ = 60965712.

The previous prime is 142432223. The next prime is 142432247. The reversal of 142432234 is 432234241.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 142432199 and 142432208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5979 + ... + 17905.

It is an arithmetic number, because the mean of its divisors is an integer number (15279768).

Almost surely, 2^142432234 is an apocalyptic number.

142432234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

142432234 is a deficient number, since it is larger than the sum of its proper divisors (102044054).

142432234 is a wasteful number, since it uses less digits than its factorization.

142432234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12789.

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

The square root of 142432234 is about 11934.4976433866. The cubic root of 142432234 is about 522.2391533937.

Adding to 142432234 its reverse (432234241), we get a palindrome (574666475).

The spelling of 142432234 in words is "one hundred forty-two million, four hundred thirty-two thousand, two hundred thirty-four".