1144522 has 8 divisors (see below), whose sum is σ = 1807200. Its totient is φ = 542124.

The previous prime is 1144519. The next prime is 1144523. The reversal of 1144522 is 2254411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 1144522.

It is not an unprimeable number, because it can be changed into a prime (1144523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15022 + ... + 15097.

It is an arithmetic number, because the mean of its divisors is an integer number (225900).

2^1144522 is an apocalyptic number.

1144522 is a deficient number, since it is larger than the sum of its proper divisors (662678).

1144522 is a wasteful number, since it uses less digits than its factorization.

1144522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30140.

The product of its digits is 320, while the sum is 19.

The square root of 1144522 is about 1069.8233499041. The cubic root of 1144522 is about 104.6023355929.

Adding to 1144522 its reverse (2254411), we get a palindrome (3398933).

The spelling of 1144522 in words is "one million, one hundred forty-four thousand, five hundred twenty-two".