115449 has 8 divisors (see below), whose sum is σ = 159360. Its totient is φ = 74256.

The previous prime is 115429. The next prime is 115459. The reversal of 115449 is 944511.

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

It is not a de Polignac number, because 115449 - 2⁷ = 115321 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 115449.

It is not an unprimeable number, because it can be changed into a prime (115429) 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, 577 + ... + 750.

It is an arithmetic number, because the mean of its divisors is an integer number (19920).

2¹¹⁵⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

115449 is a deficient number, since it is larger than the sum of its proper divisors (43911).

115449 is a wasteful number, since it uses less digits than its factorization.

115449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359.

The product of its digits is 720, while the sum is 24.

The square root of 115449 is about 339.7778686142. Note that the first 3 decimals coincide. The cubic root of 115449 is about 48.6926478732.

It can be divided in two parts, 11 and 5449, that added together give a triangular number (5460 = T₁₀₄).

The spelling of 115449 in words is "one hundred fifteen thousand, four hundred forty-nine".