11452144 has 40 divisors (see below), whose sum is σ = 24998400. Its totient is φ = 5035200.

The previous prime is 11452139. The next prime is 11452153. The reversal of 11452144 is 44125411.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

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, 4407 + ... + 6505.

It is an arithmetic number, because the mean of its divisors is an integer number (624960).

Almost surely, 2^11452144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11452144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12499200).

11452144 is an abundant number, since it is smaller than the sum of its proper divisors (13546256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11452144 is a wasteful number, since it uses less digits than its factorization.

11452144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2149 (or 2143 counting only the distinct ones).

The product of its digits is 640, while the sum is 22.

The square root of 11452144 is about 3384.1016533195. The cubic root of 11452144 is about 225.4043363265.

Adding to 11452144 its reverse (44125411), we get a palindrome (55577555).

The spelling of 11452144 in words is "eleven million, four hundred fifty-two thousand, one hundred forty-four".