11540345 has 4 divisors (see below), whose sum is σ = 13848420. Its totient is φ = 9232272.

The previous prime is 11540327. The next prime is 11540357. The reversal of 11540345 is 54304511.

11540345 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54304511 = 17 ⋅3194383.

It can be written as a sum of positive squares in 2 ways, for example, as 5508409 + 6031936 = 2347^2 + 2456^2 .

It is a cyclic number.

It is not a de Polignac number, because 11540345 - 2²⁰ = 10491769 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11540345.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1154030 + ... + 1154039.

It is an arithmetic number, because the mean of its divisors is an integer number (3462105).

Almost surely, 2^11540345 is an apocalyptic number.

It is an amenable number.

11540345 is a deficient number, since it is larger than the sum of its proper divisors (2308075).

11540345 is an equidigital number, since it uses as much as digits as its factorization.

11540345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2308074.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 11540345 is about 3397.1083291529. The cubic root of 11540345 is about 225.9815227539.

Adding to 11540345 its reverse (54304511), we get a palindrome (65844856).

The spelling of 11540345 in words is "eleven million, five hundred forty thousand, three hundred forty-five".