118545 has 16 divisors (see below), whose sum is σ = 216960. Its totient is φ = 54144.

The previous prime is 118543. The next prime is 118549. The reversal of 118545 is 545811.

It is not a de Polignac number, because 118545 - 2¹ = 118543 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118543) 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, 460 + ... + 669.

It is an arithmetic number, because the mean of its divisors is an integer number (13560).

2¹¹⁸⁵⁴⁵ is an apocalyptic number.

118545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

118545 is a deficient number, since it is larger than the sum of its proper divisors (98415).

118545 is a wasteful number, since it uses less digits than its factorization.

118545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144.

The product of its digits is 800, while the sum is 24.

The square root of 118545 is about 344.3036450577. The cubic root of 118545 is about 49.1240781574.

The spelling of 118545 in words is "one hundred eighteen thousand, five hundred forty-five".