143212242 has 8 divisors (see below), whose sum is σ = 286424496. Its totient is φ = 47737412.

The previous prime is 143212229. The next prime is 143212273. The reversal of 143212242 is 242212341.

143212242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

143212242 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11934348 + ... + 11934359.

It is an arithmetic number, because the mean of its divisors is an integer number (35803062).

Almost surely, 2^143212242 is an apocalyptic number.

143212242 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.

143212242 is a wasteful number, since it uses less digits than its factorization.

143212242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23868712.

The product of its digits is 768, while the sum is 21.

The square root of 143212242 is about 11967.1317365524. The cubic root of 143212242 is about 523.1907389597.

Adding to 143212242 its reverse (242212341), we get a palindrome (385424583).

Subtracting 143212242 from its reverse (242212341), we obtain a palindrome (99000099).

The spelling of 143212242 in words is "one hundred forty-three million, two hundred twelve thousand, two hundred forty-two".