115443 has 12 divisors (see below), whose sum is σ = 169728. Its totient is φ = 75600.

The previous prime is 115429. The next prime is 115459. The reversal of 115443 is 344511.

It is a happy number.

It is not a de Polignac number, because 115443 - 2¹⁰ = 114419 is a prime.

It is a Smith number, since the sum of its digits (18) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (115343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 846 + ... + 972.

It is an arithmetic number, because the mean of its divisors is an integer number (14144).

2¹¹⁵⁴⁴³ is an apocalyptic number.

115443 is a deficient number, since it is larger than the sum of its proper divisors (54285).

115443 is a wasteful number, since it uses less digits than its factorization.

115443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234 (or 231 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 115443 is about 339.7690392016. The cubic root of 115443 is about 48.6918043234.

Adding to 115443 its reverse (344511), we get a palindrome (459954).

The spelling of 115443 in words is "one hundred fifteen thousand, four hundred forty-three".