1144041253 has 4 divisors (see below), whose sum is σ = 1144108908. Its totient is φ = 1143973600.

The previous prime is 1144041251. The next prime is 1144041263. The reversal of 1144041253 is 3521404411.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3521404411 = 7 ⋅503057773.

It can be written as a sum of positive squares in 2 ways, for example, as 105719524 + 1038321729 = 10282^2 + 32223^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144041253 - 2¹ = 1144041251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144041251) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 16203 + ... + 50503.

It is an arithmetic number, because the mean of its divisors is an integer number (286027227).

Almost surely, 2^1144041253 is an apocalyptic number.

It is an amenable number.

1144041253 is a deficient number, since it is larger than the sum of its proper divisors (67655).

1144041253 is an equidigital number, since it uses as much as digits as its factorization.

1144041253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67654.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1144041253 is about 33823.6788803347. The cubic root of 1144041253 is about 1045.8768775988.

Adding to 1144041253 its reverse (3521404411), we get a palindrome (4665445664).

The spelling of 1144041253 in words is "one billion, one hundred forty-four million, forty-one thousand, two hundred fifty-three".