142432330 has 32 divisors (see below), whose sum is σ = 268821504. Its totient is φ = 54231936.

The previous prime is 142432309. The next prime is 142432337. The reversal of 142432330 is 33234241.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (142432337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49902 + ... + 52678.

It is an arithmetic number, because the mean of its divisors is an integer number (8400672).

Almost surely, 2^142432330 is an apocalyptic number.

142432330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142432330 is a deficient number, since it is larger than the sum of its proper divisors (126389174).

142432330 is a wasteful number, since it uses less digits than its factorization.

142432330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3030.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 142432330 is about 11934.5016653399. The cubic root of 142432330 is about 522.2392707242.

Adding to 142432330 its reverse (33234241), we get a palindrome (175666571).

The spelling of 142432330 in words is "one hundred forty-two million, four hundred thirty-two thousand, three hundred thirty".