1144156 has 12 divisors (see below), whose sum is σ = 2156392. Its totient is φ = 528048.

The previous prime is 1144153. The next prime is 1144163. The reversal of 1144156 is 6514411.

1144156 = 49² + 50² + ... + 152².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144153) 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, 10950 + ... + 11053.

2^1144156 is an apocalyptic number.

It is an amenable number.

1144156 is a deficient number, since it is larger than the sum of its proper divisors (1012236).

1144156 is a wasteful number, since it uses less digits than its factorization.

1144156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22020 (or 22018 counting only the distinct ones).

The product of its digits is 480, while the sum is 22.

The square root of 1144156 is about 1069.6522799490. The cubic root of 1144156 is about 104.5911843477.

Adding to 1144156 its reverse (6514411), we get a palindrome (7658567).

The spelling of 1144156 in words is "one million, one hundred forty-four thousand, one hundred fifty-six".