115545 has 8 divisors (see below), whose sum is σ = 184896. Its totient is φ = 61616.

The previous prime is 115523. The next prime is 115547. The reversal of 115545 is 545511.

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

It is a cyclic number.

It is not a de Polignac number, because 115545 - 2⁵ = 115513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3837 + ... + 3866.

It is an arithmetic number, because the mean of its divisors is an integer number (23112).

2¹¹⁵⁵⁴⁵ is an apocalyptic number.

115545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115545 is a deficient number, since it is larger than the sum of its proper divisors (69351).

115545 is an equidigital number, since it uses as much as digits as its factorization.

115545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7711.

The product of its digits is 500, while the sum is 21.

The square root of 115545 is about 339.9191080242. The cubic root of 115545 is about 48.7061406972.

The spelling of 115545 in words is "one hundred fifteen thousand, five hundred forty-five".