142530142 has 32 divisors (see below), whose sum is σ = 234469728. Its totient is φ = 64705536.

The previous prime is 142530137. The next prime is 142530161. The reversal of 142530142 is 241035241.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171933 + ... + 172759.

It is an arithmetic number, because the mean of its divisors is an integer number (7327179).

Almost surely, 2^142530142 is an apocalyptic number.

142530142 is a deficient number, since it is larger than the sum of its proper divisors (91939586).

142530142 is a wasteful number, since it uses less digits than its factorization.

142530142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 142530142 is about 11938.5988290084. The cubic root of 142530142 is about 522.3587884841.

Adding to 142530142 its reverse (241035241), we get a palindrome (383565383).

The spelling of 142530142 in words is "one hundred forty-two million, five hundred thirty thousand, one hundred forty-two".