442141443 has 16 divisors (see below), whose sum is σ = 683504640. Its totient is φ = 281944872.

The previous prime is 442141421. The next prime is 442141451. The reversal of 442141443 is 344141244.

442141443 is a `hidden beast` number, since 4 + 4 + 214 + 1 + 443 = 666.

It is not a de Polignac number, because 442141443 - 2⁵ = 442141411 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (442141493) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 355371 + ... + 356612.

It is an arithmetic number, because the mean of its divisors is an integer number (42719040).

Almost surely, 2^442141443 is an apocalyptic number.

442141443 is a deficient number, since it is larger than the sum of its proper divisors (241363197).

442141443 is a wasteful number, since it uses less digits than its factorization.

442141443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712015 (or 712009 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 442141443 is about 21027.1596512701. The cubic root of 442141443 is about 761.8224057574.

Adding to 442141443 its reverse (344141244), we get a palindrome (786282687).

The spelling of 442141443 in words is "four hundred forty-two million, one hundred forty-one thousand, four hundred forty-three".