443944141 has 4 divisors (see below), whose sum is σ = 444079132. Its totient is φ = 443809152.

The previous prime is 443944129. The next prime is 443944157. The reversal of 443944141 is 141449344.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 433888900 + 10055241 = 20830^2 + 3171^2 .

It is a cyclic number.

It is not a de Polignac number, because 443944141 - 2⁷ = 443944013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 443944097 and 443944106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (443944181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62436 + ... + 69181.

It is an arithmetic number, because the mean of its divisors is an integer number (111019783).

Almost surely, 2^443944141 is an apocalyptic number.

It is an amenable number.

443944141 is a deficient number, since it is larger than the sum of its proper divisors (134991).

443944141 is a wasteful number, since it uses less digits than its factorization.

443944141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134990.

The product of its digits is 27648, while the sum is 34.

The square root of 443944141 is about 21069.9819886017. The cubic root of 443944141 is about 762.8563686152.

The spelling of 443944141 in words is "four hundred forty-three million, nine hundred forty-four thousand, one hundred forty-one".