1144321255 has 48 divisors (see below), whose sum is σ = 1845174816. Its totient is φ = 671354880.

The previous prime is 1144321229. The next prime is 1144321307. The reversal of 1144321255 is 5521234411.

It is not a de Polignac number, because 1144321255 - 2⁵ = 1144321223 is a prime.

It is a super-2 number, since 2×1144321255² = 2618942269289550050, which contains 22 as substring.

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 47 ways as a sum of consecutive naturals, for example, 33327 + ... + 58303.

It is an arithmetic number, because the mean of its divisors is an integer number (38441142).

Almost surely, 2^1144321255 is an apocalyptic number.

1144321255 is a deficient number, since it is larger than the sum of its proper divisors (700853561).

1144321255 is a wasteful number, since it uses less digits than its factorization.

1144321255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25024 (or 25017 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 1144321255 is about 33827.8177688127. The cubic root of 1144321255 is about 1045.9621961216.

Adding to 1144321255 its reverse (5521234411), we get a palindrome (6665555666).

The spelling of 1144321255 in words is "one billion, one hundred forty-four million, three hundred twenty-one thousand, two hundred fifty-five".