142323542402542 has 8 divisors (see below), whose sum is σ = 213529947804576. Its totient is φ = 71146893134352.

The previous prime is 142323542402497. The next prime is 142323542402651. The reversal of 142323542402542 is 245204245323241.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7439021503 + ... + 7439040634.

It is an arithmetic number, because the mean of its divisors is an integer number (26691243475572).

Almost surely, 2^{142323542402542} is an apocalyptic number.

142323542402542 is a deficient number, since it is larger than the sum of its proper divisors (71206405402034).

142323542402542 is a wasteful number, since it uses less digits than its factorization.

142323542402542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14878066922.

The product of its (nonzero) digits is 1843200, while the sum is 43.

Adding to 142323542402542 its reverse (245204245323241), we get a palindrome (387527787725783).

The spelling of 142323542402542 in words is "one hundred forty-two trillion, three hundred twenty-three billion, five hundred forty-two million, four hundred two thousand, five hundred forty-two".