443044142 has 8 divisors (see below), whose sum is σ = 682527576. Its totient is φ = 215534952.

The previous prime is 443044139. The next prime is 443044169. The reversal of 443044142 is 241440344.

It is a happy number.

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

It is a super-2 number, since 2×443044142² = 392576223521032328, which contains 22 as substring.

It is a congruent 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, 2993468 + ... + 2993615.

It is an arithmetic number, because the mean of its divisors is an integer number (85315947).

Almost surely, 2^443044142 is an apocalyptic number.

443044142 is a deficient number, since it is larger than the sum of its proper divisors (239483434).

443044142 is a wasteful number, since it uses less digits than its factorization.

443044142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5987122.

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 443044142 is about 21048.6137785841. The cubic root of 443044142 is about 762.3405120879.

Adding to 443044142 its reverse (241440344), we get a palindrome (684484486).

The spelling of 443044142 in words is "four hundred forty-three million, forty-four thousand, one hundred forty-two".