142243042 has 8 divisors (see below), whose sum is σ = 213497856. Its totient is φ = 71077092.

The previous prime is 142243039. The next prime is 142243051. The reversal of 142243042 is 240342241.

It is a happy number.

142243042 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.

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, 18058 + ... + 24709.

It is an arithmetic number, because the mean of its divisors is an integer number (26687232).

Almost surely, 2^142243042 is an apocalyptic number.

142243042 is a deficient number, since it is larger than the sum of its proper divisors (71254814).

142243042 is a wasteful number, since it uses less digits than its factorization.

142243042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44432.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 142243042 is about 11926.5687437754. The cubic root of 142243042 is about 522.0078217488.

Adding to 142243042 its reverse (240342241), we get a palindrome (382585283).

The spelling of 142243042 in words is "one hundred forty-two million, two hundred forty-three thousand, forty-two".