143838242 has 8 divisors (see below), whose sum is σ = 215856336. Its totient is φ = 71886132.

The previous prime is 143838239. The next prime is 143838301. The reversal of 143838242 is 242838341.

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, 10628 + ... + 20015.

It is an arithmetic number, because the mean of its divisors is an integer number (26982042).

Almost surely, 2^143838242 is an apocalyptic number.

143838242 is a deficient number, since it is larger than the sum of its proper divisors (72018094).

143838242 is a wasteful number, since it uses less digits than its factorization.

143838242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32992.

The product of its digits is 36864, while the sum is 35.

The square root of 143838242 is about 11993.2581894996. The cubic root of 143838242 is about 523.9519433231.

Subtracting 143838242 from its reverse (242838341), we obtain a palindrome (99000099).

The spelling of 143838242 in words is "one hundred forty-three million, eight hundred thirty-eight thousand, two hundred forty-two".