114581 has 4 divisors (see below), whose sum is σ = 115500. Its totient is φ = 113664.

The previous prime is 114577. The next prime is 114593. The reversal of 114581 is 185411.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 185411 = 31 ⋅5981.

It can be written as a sum of positive squares in 2 ways, for example, as 27556 + 87025 = 166^2 + 295^2 .

It is a cyclic number.

It is not a de Polignac number, because 114581 - 2² = 114577 is a prime.

It is a super-2 number, since 2×114581² = 26257611122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 114581.

It is not an unprimeable number, because it can be changed into a prime (114571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236 + ... + 533.

It is an arithmetic number, because the mean of its divisors is an integer number (28875).

2¹¹⁴⁵⁸¹ is an apocalyptic number.

It is an amenable number.

114581 is a deficient number, since it is larger than the sum of its proper divisors (919).

114581 is an equidigital number, since it uses as much as digits as its factorization.

114581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918.

The product of its digits is 160, while the sum is 20.

The square root of 114581 is about 338.4981536139. The cubic root of 114581 is about 48.5703093332.

Adding to 114581 its reverse (185411), we get a palindrome (299992).

The spelling of 114581 in words is "one hundred fourteen thousand, five hundred eighty-one".