11530144 has 12 divisors (see below), whose sum is σ = 22700034. Its totient is φ = 5765056.

The previous prime is 11530133. The next prime is 11530157. The reversal of 11530144 is 44103511.

It can be written as a sum of positive squares in only one way, i.e., 11155600 + 374544 = 3340^2 + 612^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180127 + ... + 180190.

Almost surely, 2^11530144 is an apocalyptic number.

It is an amenable number.

11530144 is a deficient number, since it is larger than the sum of its proper divisors (11169890).

11530144 is an equidigital number, since it uses as much as digits as its factorization.

11530144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360327 (or 360319 counting only the distinct ones).

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

The square root of 11530144 is about 3395.6065732060. The cubic root of 11530144 is about 225.9149182437.

Adding to 11530144 its reverse (44103511), we get a palindrome (55633655).

The spelling of 11530144 in words is "eleven million, five hundred thirty thousand, one hundred forty-four".