110945 has 4 divisors (see below), whose sum is σ = 133140. Its totient is φ = 88752.

The previous prime is 110939. The next prime is 110947. The reversal of 110945 is 549011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 57121 + 53824 = 239^2 + 232^2 .

It is a cyclic number.

It is not a de Polignac number, because 110945 - 2⁶ = 110881 is a prime.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 110945.

It is not an unprimeable number, because it can be changed into a prime (110947) 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, 11090 + ... + 11099.

It is an arithmetic number, because the mean of its divisors is an integer number (33285).

2¹¹⁰⁹⁴⁵ is an apocalyptic number.

It is an amenable number.

110945 is a deficient number, since it is larger than the sum of its proper divisors (22195).

110945 is an equidigital number, since it uses as much as digits as its factorization.

110945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22194.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 110945 is about 333.0840734709. The cubic root of 110945 is about 48.0510163604.

Adding to 110945 its reverse (549011), we get a palindrome (659956).

The spelling of 110945 in words is "one hundred ten thousand, nine hundred forty-five".