143243242 has 8 divisors (see below), whose sum is σ = 226173600. Its totient is φ = 67852044.

The previous prime is 143243239. The next prime is 143243257. The reversal of 143243242 is 242342341.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1884742 + ... + 1884817.

It is an arithmetic number, because the mean of its divisors is an integer number (28271700).

Almost surely, 2^143243242 is an apocalyptic number.

143243242 is a deficient number, since it is larger than the sum of its proper divisors (82930358).

143243242 is a wasteful number, since it uses less digits than its factorization.

143243242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3769580.

The product of its digits is 4608, while the sum is 25.

The square root of 143243242 is about 11968.4268807559. The cubic root of 143243242 is about 523.2284865306.

Adding to 143243242 its reverse (242342341), we get a palindrome (385585583).

Subtracting 143243242 from its reverse (242342341), we obtain a palindrome (99099099).

The spelling of 143243242 in words is "one hundred forty-three million, two hundred forty-three thousand, two hundred forty-two".