1144254412 has 12 divisors (see below), whose sum is σ = 2288508880. Its totient is φ = 490394736.

The previous prime is 1144254383. The next prime is 1144254427. The reversal of 1144254412 is 2144524411.

It is a happy number.

1144254412 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 40866229 = 1144254412 / (1 + 1 + 4 + 4 + 2 + 5 + 4 + 4 + 1 + 2).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20433087 + ... + 20433142.

Almost surely, 2^1144254412 is an apocalyptic number.

It is an amenable number.

1144254412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1144254412 is a wasteful number, since it uses less digits than its factorization.

1144254412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40866240 (or 40866238 counting only the distinct ones).

The product of its digits is 5120, while the sum is 28.

The square root of 1144254412 is about 33826.8297657348. The cubic root of 1144254412 is about 1045.9418298675.

Adding to 1144254412 its reverse (2144524411), we get a palindrome (3288778823).

The spelling of 1144254412 in words is "one billion, one hundred forty-four million, two hundred fifty-four thousand, four hundred twelve".