1144255 has 8 divisors (see below), whose sum is σ = 1569312. Its totient is φ = 784608.

The previous prime is 1144249. The next prime is 1144261. The reversal of 1144255 is 5524411.

It is an interprime number because it is at equal distance from previous prime (1144249) and next prime (1144261).

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

It is a cyclic number.

It is not a de Polignac number, because 1144255 - 2⁵ = 1144223 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 16312 + ... + 16381.

It is an arithmetic number, because the mean of its divisors is an integer number (196164).

2^1144255 is an apocalyptic number.

1144255 is a deficient number, since it is larger than the sum of its proper divisors (425057).

1144255 is an equidigital number, since it uses as much as digits as its factorization.

1144255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32705.

The product of its digits is 800, while the sum is 22.

The square root of 1144255 is about 1069.6985556688. The cubic root of 1144255 is about 104.5942009027.

Adding to 1144255 its reverse (5524411), we get a palindrome (6668666).

The spelling of 1144255 in words is "one million, one hundred forty-four thousand, two hundred fifty-five".