443843164142 has 32 divisors (see below), whose sum is σ = 778483992000. Its totient is φ = 189708420384.

The previous prime is 443843164117. The next prime is 443843164183. The reversal of 443843164142 is 241461348344.

It is a junction number, because it is equal to n+sod(n) for n = 443843164093 and 443843164102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 611417 + ... + 1123172.

It is an arithmetic number, because the mean of its divisors is an integer number (24327624750).

Almost surely, 2^443843164142 is an apocalyptic number.

443843164142 is a deficient number, since it is larger than the sum of its proper divisors (334640827858).

443843164142 is a wasteful number, since it uses less digits than its factorization.

443843164142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1734985 (or 1734971 counting only the distinct ones).

The product of its digits is 884736, while the sum is 44.

The spelling of 443843164142 in words is "four hundred forty-three billion, eight hundred forty-three million, one hundred sixty-four thousand, one hundred forty-two".