110545 has 4 divisors (see below), whose sum is σ = 132660. Its totient is φ = 88432.

The previous prime is 110543. The next prime is 110557. The reversal of 110545 is 545011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 545011 = 31 ⋅17581.

It can be written as a sum of positive squares in 2 ways, for example, as 25281 + 85264 = 159^2 + 292^2 .

It is a cyclic number.

It is not a de Polignac number, because 110545 - 2¹ = 110543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (110543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11050 + ... + 11059.

It is an arithmetic number, because the mean of its divisors is an integer number (33165).

2¹¹⁰⁵⁴⁵ is an apocalyptic number.

It is an amenable number.

110545 is a deficient number, since it is larger than the sum of its proper divisors (22115).

110545 is an equidigital number, since it uses as much as digits as its factorization.

110545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22114.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 110545 is about 332.4830822764. The cubic root of 110545 is about 47.9931992680.

Adding to 110545 its reverse (545011), we get a palindrome (655556).

The spelling of 110545 in words is "one hundred ten thousand, five hundred forty-five".