11240345 has 4 divisors (see below), whose sum is σ = 13488420. Its totient is φ = 8992272.

The previous prime is 11240323. The next prime is 11240347. The reversal of 11240345 is 54304211.

11240345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 6492304 + 4748041 = 2548^2 + 2179^2 .

It is a cyclic number.

It is not a de Polignac number, because 11240345 - 2¹⁶ = 11174809 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11240347) 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, 1124030 + ... + 1124039.

It is an arithmetic number, because the mean of its divisors is an integer number (3372105).

Almost surely, 2^11240345 is an apocalyptic number.

It is an amenable number.

11240345 is a deficient number, since it is larger than the sum of its proper divisors (2248075).

11240345 is an equidigital number, since it uses as much as digits as its factorization.

11240345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2248074.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 11240345 is about 3352.6623748895. The cubic root of 11240345 is about 224.0061182959.

Adding to 11240345 its reverse (54304211), we get a palindrome (65544556).

The spelling of 11240345 in words is "eleven million, two hundred forty thousand, three hundred forty-five".