115549 has 8 divisors (see below), whose sum is σ = 139968. Its totient is φ = 93120.

The previous prime is 115547. The next prime is 115553. The reversal of 115549 is 945511.

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 115549 - 2¹ = 115547 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 367 + ... + 604.

It is an arithmetic number, because the mean of its divisors is an integer number (17496).

2¹¹⁵⁵⁴⁹ is an apocalyptic number.

It is an amenable number.

115549 is a deficient number, since it is larger than the sum of its proper divisors (24419).

115549 is an equidigital number, since it uses as much as digits as its factorization.

115549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995.

The product of its digits is 900, while the sum is 25.

The square root of 115549 is about 339.9249917261. The cubic root of 115549 is about 48.7067027360.

The spelling of 115549 in words is "one hundred fifteen thousand, five hundred forty-nine".