1144453116 has 12 divisors (see below), whose sum is σ = 2670390632. Its totient is φ = 381484368.

The previous prime is 1144453111. The next prime is 1144453153. The reversal of 1144453116 is 6113544411.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144453111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47685535 + ... + 47685558.

Almost surely, 2^1144453116 is an apocalyptic number.

It is an amenable number.

1144453116 is an abundant number, since it is smaller than the sum of its proper divisors (1525937516).

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

1144453116 is a wasteful number, since it uses less digits than its factorization.

1144453116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95371100 (or 95371098 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 1144453116 is about 33829.7667151283. The cubic root of 1144453116 is about 1046.0023702491.

Adding to 1144453116 its reverse (6113544411), we get a palindrome (7257997527).

The spelling of 1144453116 in words is "one billion, one hundred forty-four million, four hundred fifty-three thousand, one hundred sixteen".