11305144 has 16 divisors (see below), whose sum is σ = 22119120. Its totient is φ = 5406720.

The previous prime is 11305141. The next prime is 11305183. The reversal of 11305144 is 44150311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11305141) 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, 30537 + ... + 30904.

It is an arithmetic number, because the mean of its divisors is an integer number (1382445).

Almost surely, 2^11305144 is an apocalyptic number.

It is an amenable number.

11305144 is a deficient number, since it is larger than the sum of its proper divisors (10813976).

11305144 is a wasteful number, since it uses less digits than its factorization.

11305144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61470 (or 61466 counting only the distinct ones).

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

The square root of 11305144 is about 3362.3122995938. The cubic root of 11305144 is about 224.4357483006.

Adding to 11305144 its reverse (44150311), we get a palindrome (55455455).

It can be divided in two parts, 11305 and 144, that added together give a square (11449 = 107²).

The spelling of 11305144 in words is "eleven million, three hundred five thousand, one hundred forty-four".