1144611412 has 12 divisors (see below), whose sum is σ = 2289222880. Its totient is φ = 490547736.

The previous prime is 1144611389. The next prime is 1144611443. The reversal of 1144611412 is 2141164411.

1144611412 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20439462 + ... + 20439517.

Almost surely, 2^1144611412 is an apocalyptic number.

It is an amenable number.

1144611412 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.

1144611412 is a wasteful number, since it uses less digits than its factorization.

1144611412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40878990 (or 40878988 counting only the distinct ones).

The product of its digits is 768, while the sum is 25.

The square root of 1144611412 is about 33832.1062306206. The cubic root of 1144611412 is about 1046.0505942597.

Adding to 1144611412 its reverse (2141164411), we get a palindrome (3285775823).

The spelling of 1144611412 in words is "one billion, one hundred forty-four million, six hundred eleven thousand, four hundred twelve".