118443 has 8 divisors (see below), whose sum is σ = 170128. Its totient is φ = 72864.

The previous prime is 118429. The next prime is 118453. The reversal of 118443 is 344811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 118443 - 2⁵ = 118411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1480 + ... + 1557.

It is an arithmetic number, because the mean of its divisors is an integer number (21266).

2¹¹⁸⁴⁴³ is an apocalyptic number.

118443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

118443 is a deficient number, since it is larger than the sum of its proper divisors (51685).

118443 is a wasteful number, since it uses less digits than its factorization.

118443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3053.

The product of its digits is 384, while the sum is 21.

The square root of 118443 is about 344.1554881155. The cubic root of 118443 is about 49.1099847926.

It can be divided in two parts, 118 and 443, that added together give a triangular number (561 = T₃₃).

The spelling of 118443 in words is "one hundred eighteen thousand, four hundred forty-three".