1144572 has 96 divisors (see below), whose sum is σ = 3386880. Its totient is φ = 295680.

The previous prime is 1144537. The next prime is 1144573. The reversal of 1144572 is 2754411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39454 + ... + 39482.

It is an arithmetic number, because the mean of its divisors is an integer number (35280).

2^1144572 is an apocalyptic number.

1144572 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 1144572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1693440).

1144572 is an abundant number, since it is smaller than the sum of its proper divisors (2242308).

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

1144572 is a wasteful number, since it uses less digits than its factorization.

1144572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83 (or 81 counting only the distinct ones).

The product of its digits is 1120, while the sum is 24.

The square root of 1144572 is about 1069.8467179928. The cubic root of 1144572 is about 104.6038588025.

Adding to 1144572 its reverse (2754411), we get a palindrome (3898983).

The spelling of 1144572 in words is "one million, one hundred forty-four thousand, five hundred seventy-two".