443143242 has 12 divisors (see below), whose sum is σ = 960143730. Its totient is φ = 147714408.

The previous prime is 443143241. The next prime is 443143243. The reversal of 443143242 is 242341344.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (443143241) and next prime (443143243).

It can be written as a sum of positive squares in only one way, i.e., 264680361 + 178462881 = 16269^2 + 13359^2 .

It is not an unprimeable number, because it can be changed into a prime (443143241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12309517 + ... + 12309552.

Almost surely, 2^443143242 is an apocalyptic number.

443143242 is an abundant number, since it is smaller than the sum of its proper divisors (517000488).

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

443143242 is a wasteful number, since it uses less digits than its factorization.

443143242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24619077 (or 24619074 counting only the distinct ones).

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

The square root of 443143242 is about 21050.9677212236. The cubic root of 443143242 is about 762.3973478938.

Adding to 443143242 its reverse (242341344), we get a palindrome (685484586).

The spelling of 443143242 in words is "four hundred forty-three million, one hundred forty-three thousand, two hundred forty-two".