115849 has 2 divisors, whose sum is σ = 115850. Its totient is φ = 115848.

The previous prime is 115837. The next prime is 115853. The reversal of 115849 is 948511.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110224 + 5625 = 332^2 + 75^2 .

It is a cyclic number.

It is not a de Polignac number, because 115849 - 2⁹ = 115337 is a prime.

It is not a weakly prime, because it can be changed into another prime (115859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57924 + 57925.

It is an arithmetic number, because the mean of its divisors is an integer number (57925).

2¹¹⁵⁸⁴⁹ is an apocalyptic number.

It is an amenable number.

115849 is a deficient number, since it is larger than the sum of its proper divisors (1).

115849 is an equidigital number, since it uses as much as digits as its factorization.

115849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 28.

The square root of 115849 is about 340.3659794985. The cubic root of 115849 is about 48.7488187310.

The spelling of 115849 in words is "one hundred fifteen thousand, eight hundred forty-nine".