142243524242 has 32 divisors (see below), whose sum is σ = 229920076800. Its totient is φ = 65807501760.

The previous prime is 142243524191. The next prime is 142243524253. The reversal of 142243524242 is 242425342241.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3615308 + ... + 3654440.

It is an arithmetic number, because the mean of its divisors is an integer number (7185002400).

Almost surely, 2^142243524242 is an apocalyptic number.

142243524242 is a deficient number, since it is larger than the sum of its proper divisors (87676552558).

142243524242 is a wasteful number, since it uses less digits than its factorization.

142243524242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41738.

The product of its digits is 122880, while the sum is 35.

Adding to 142243524242 its reverse (242425342241), we get a palindrome (384668866483).

The spelling of 142243524242 in words is "one hundred forty-two billion, two hundred forty-three million, five hundred twenty-four thousand, two hundred forty-two".