118305 has 24 divisors (see below), whose sum is σ = 224640. Its totient is φ = 57120.

The previous prime is 118297. The next prime is 118343. The reversal of 118305 is 503811.

It is a happy number.

It is not a de Polignac number, because 118305 - 2³ = 118297 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 376 + ... + 614.

It is an arithmetic number, because the mean of its divisors is an integer number (9360).

2¹¹⁸³⁰⁵ is an apocalyptic number.

118305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

118305 is a deficient number, since it is larger than the sum of its proper divisors (106335).

118305 is a wasteful number, since it uses less digits than its factorization.

118305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261 (or 258 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 118305 is about 343.9549389092. The cubic root of 118305 is about 49.0909044145.

The spelling of 118305 in words is "one hundred eighteen thousand, three hundred five".