142043442 has 8 divisors (see below), whose sum is σ = 284086896. Its totient is φ = 47347812.

The previous prime is 142043437. The next prime is 142043467. The reversal of 142043442 is 244340241.

It is a happy number.

142043442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

142043442 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11836948 + ... + 11836959.

It is an arithmetic number, because the mean of its divisors is an integer number (35510862).

Almost surely, 2^142043442 is an apocalyptic number.

142043442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

142043442 is a wasteful number, since it uses less digits than its factorization.

142043442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23673912.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 142043442 is about 11918.1979342516. The cubic root of 142043442 is about 521.7635414116.

Adding to 142043442 its reverse (244340241), we get a palindrome (386383683).

The spelling of 142043442 in words is "one hundred forty-two million, forty-three thousand, four hundred forty-two".