11534144 has 14 divisors (see below), whose sum is σ = 22888194. Its totient is φ = 5767040.

The previous prime is 11534123. The next prime is 11534147. The reversal of 11534144 is 44143511.

It can be written as a sum of positive squares in only one way, i.e., 9684544 + 1849600 = 3112^2 + 1360^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11534147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90047 + ... + 90174.

It is an arithmetic number, because the mean of its divisors is an integer number (1634871).

Almost surely, 2^11534144 is an apocalyptic number.

It is an amenable number.

11534144 is a deficient number, since it is larger than the sum of its proper divisors (11354050).

11534144 is an equidigital number, since it uses as much as digits as its factorization.

11534144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180233 (or 180223 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 11534144 is about 3396.1955185177. The cubic root of 11534144 is about 225.9410397791.

Adding to 11534144 its reverse (44143511), we get a palindrome (55677655).

The spelling of 11534144 in words is "eleven million, five hundred thirty-four thousand, one hundred forty-four".