143443242 has 12 divisors (see below), whose sum is σ = 310793730. Its totient is φ = 47814408.

The previous prime is 143443241. The next prime is 143443271. The reversal of 143443242 is 242344341.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 119443041 + 24000201 = 10929^2 + 4899^2 .

It is not an unprimeable number, because it can be changed into a prime (143443241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3984517 + ... + 3984552.

Almost surely, 2^143443242 is an apocalyptic number.

143443242 is an abundant number, since it is smaller than the sum of its proper divisors (167350488).

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

143443242 is a wasteful number, since it uses less digits than its factorization.

143443242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7969077 (or 7969074 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 143443242 is about 11976.7792832631. The cubic root of 143443242 is about 523.4718884312.

Adding to 143443242 its reverse (242344341), we get a palindrome (385787583).

The spelling of 143443242 in words is "one hundred forty-three million, four hundred forty-three thousand, two hundred forty-two".