1144330452 has 72 divisors (see below), whose sum is σ = 3087092736. Its totient is φ = 356154624.

The previous prime is 1144330441. The next prime is 1144330463. The reversal of 1144330452 is 2540334411.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1144330441) and next prime (1144330463).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70363 + ... + 85085.

It is an arithmetic number, because the mean of its divisors is an integer number (42876288).

Almost surely, 2^1144330452 is an apocalyptic number.

1144330452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1144330452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1543546368).

1144330452 is an abundant number, since it is smaller than the sum of its proper divisors (1942762284).

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

1144330452 is a wasteful number, since it uses less digits than its factorization.

1144330452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14877 (or 14872 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1144330452 is about 33827.9537069566. The cubic root of 1144330452 is about 1045.9649982743.

Adding to 1144330452 its reverse (2540334411), we get a palindrome (3684664863).

The spelling of 1144330452 in words is "one billion, one hundred forty-four million, three hundred thirty thousand, four hundred fifty-two".