11140345 has 8 divisors (see below), whose sum is σ = 13491720. Its totient is φ = 8830080.

The previous prime is 11140333. The next prime is 11140351. The reversal of 11140345 is 54304111.

It can be written as a sum of positive squares in 4 ways, for example, as 3671056 + 7469289 = 1916^2 + 2733^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-11140345 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9676 + ... + 10765.

It is an arithmetic number, because the mean of its divisors is an integer number (1686465).

Almost surely, 2^11140345 is an apocalyptic number.

It is an amenable number.

11140345 is a deficient number, since it is larger than the sum of its proper divisors (2351375).

11140345 is a wasteful number, since it uses less digits than its factorization.

11140345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20555.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 11140345 is about 3337.7155361115. The cubic root of 11140345 is about 223.3398465960.

Adding to 11140345 its reverse (54304111), we get a palindrome (65444456).

The spelling of 11140345 in words is "eleven million, one hundred forty thousand, three hundred forty-five".