1144556 has 24 divisors (see below), whose sum is σ = 2347296. Its totient is φ = 478080.

The previous prime is 1144537. The next prime is 1144573. The reversal of 1144556 is 6554411.

It is a plaindrome in base 10.

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, 650 + ... + 1646.

It is an arithmetic number, because the mean of its divisors is an integer number (97804).

2^1144556 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 1144556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1173648).

1144556 is an abundant number, since it is smaller than the sum of its proper divisors (1202740).

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

1144556 is a wasteful number, since it uses less digits than its factorization.

1144556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049 (or 1047 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The square root of 1144556 is about 1069.8392402600. The cubic root of 1144556 is about 104.6033713803.

Adding to 1144556 its reverse (6554411), we get a palindrome (7698967).

The spelling of 1144556 in words is "one million, one hundred forty-four thousand, five hundred fifty-six".