142585242 has 8 divisors (see below), whose sum is σ = 285170496. Its totient is φ = 47528412.

The previous prime is 142585237. The next prime is 142585259. The reversal of 142585242 is 242585241.

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

142585242 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 11882098 + ... + 11882109.

It is an arithmetic number, because the mean of its divisors is an integer number (35646312).

Almost surely, 2^142585242 is an apocalyptic number.

142585242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142585242 is a wasteful number, since it uses less digits than its factorization.

142585242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23764212.

The product of its digits is 25600, while the sum is 33.

The square root of 142585242 is about 11940.9062470149. The cubic root of 142585242 is about 522.4260918179.

Subtracting 142585242 from its reverse (242585241), we obtain a palindrome (99999999).

The spelling of 142585242 in words is "one hundred forty-two million, five hundred eighty-five thousand, two hundred forty-two".