443145 has 16 divisors (see below), whose sum is σ = 732672. Its totient is φ = 228480.

The previous prime is 443129. The next prime is 443147. The reversal of 443145 is 541344.

It is not a de Polignac number, because 443145 - 2⁴ = 443129 is a prime.

443145 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 443145.

It is not an unprimeable number, because it can be changed into a prime (443147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12 + ... + 941.

It is an arithmetic number, because the mean of its divisors is an integer number (45792).

2⁴⁴³¹⁴⁵ is an apocalyptic number.

It is an amenable number.

443145 is a deficient number, since it is larger than the sum of its proper divisors (289527).

443145 is a wasteful number, since it uses less digits than its factorization.

443145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992.

The product of its digits is 960, while the sum is 21.

The square root of 443145 is about 665.6913699305. The cubic root of 443145 is about 76.2398356065.

Adding to 443145 its reverse (541344), we get a palindrome (984489).

The spelling of 443145 in words is "four hundred forty-three thousand, one hundred forty-five".