142310042 has 16 divisors (see below), whose sum is σ = 245203200. Its totient is φ = 60679248.

The previous prime is 142310041. The next prime is 142310071. The reversal of 142310042 is 240013241.

It is a self number, because there is not a number n which added to its sum of digits gives 142310042.

It is not an unprimeable number, because it can be changed into a prime (142310041) 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, 23042 + ... + 28557.

It is an arithmetic number, because the mean of its divisors is an integer number (15325200).

Almost surely, 2^142310042 is an apocalyptic number.

142310042 is a deficient number, since it is larger than the sum of its proper divisors (102893158).

142310042 is a wasteful number, since it uses less digits than its factorization.

142310042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51805.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 142310042 is about 11929.3772679046. The cubic root of 142310042 is about 522.0897684266.

Adding to 142310042 its reverse (240013241), we get a palindrome (382323283).

The spelling of 142310042 in words is "one hundred forty-two million, three hundred ten thousand, forty-two".