1144566 has 12 divisors (see below), whose sum is σ = 2479932. Its totient is φ = 381516.

The previous prime is 1144537. The next prime is 1144573. The reversal of 1144566 is 6654411.

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 31776 + ... + 31811.

It is an arithmetic number, because the mean of its divisors is an integer number (206661).

2^1144566 is an apocalyptic number.

1144566 is an abundant number, since it is smaller than the sum of its proper divisors (1335366).

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

1144566 is a wasteful number, since it uses less digits than its factorization.

1144566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63595 (or 63592 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 1144566 is about 1069.8439138491. The cubic root of 1144566 is about 104.6036760197.

Adding to 1144566 its reverse (6654411), we get a palindrome (7798977).

It can be divided in two parts, 11445 and 66, that added together give a palindrome (11511).

The spelling of 1144566 in words is "one million, one hundred forty-four thousand, five hundred sixty-six".