443861141 has 4 divisors (see below), whose sum is σ = 445118892. Its totient is φ = 442603392.

The previous prime is 443861129. The next prime is 443861161. The reversal of 443861141 is 141168344.

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 162460516 + 281400625 = 12746^2 + 16775^2 .

It is a cyclic number.

It is not a de Polignac number, because 443861141 - 2¹⁴ = 443844757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 443861098 and 443861107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (443861161) 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, 628346 + ... + 629051.

It is an arithmetic number, because the mean of its divisors is an integer number (111279723).

Almost surely, 2^443861141 is an apocalyptic number.

It is an amenable number.

443861141 is a deficient number, since it is larger than the sum of its proper divisors (1257751).

443861141 is a wasteful number, since it uses less digits than its factorization.

443861141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257750.

The product of its digits is 9216, while the sum is 32.

The square root of 443861141 is about 21068.0122697895. The cubic root of 443861141 is about 762.8088243267.

The spelling of 443861141 in words is "four hundred forty-three million, eight hundred sixty-one thousand, one hundred forty-one".