443221240142 has 8 divisors (see below), whose sum is σ = 664853039832. Its totient is φ = 221603560200.

The previous prime is 443221240139. The next prime is 443221240153. The reversal of 443221240142 is 241042122344.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3451109 + ... + 3577232.

It is an arithmetic number, because the mean of its divisors is an integer number (83106629979).

Almost surely, 2^443221240142 is an apocalyptic number.

443221240142 is a deficient number, since it is larger than the sum of its proper divisors (221631799690).

443221240142 is a wasteful number, since it uses less digits than its factorization.

443221240142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7059874.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 443221240142 its reverse (241042122344), we get a palindrome (684263362486).

The spelling of 443221240142 in words is "four hundred forty-three billion, two hundred twenty-one million, two hundred forty thousand, one hundred forty-two".