1144354116 has 144 divisors (see below), whose sum is σ = 3064703040. Its totient is φ = 330946560.

The previous prime is 1144354109. The next prime is 1144354163. The reversal of 1144354116 is 6114534411.

It is a super-2 number, since 2×1144354116² = 2619092685612282912, which contains 22 as substring.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 3019215 + ... + 3019593.

It is an arithmetic number, because the mean of its divisors is an integer number (21282660).

Almost surely, 2^1144354116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1144354116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1532351520).

1144354116 is an abundant number, since it is smaller than the sum of its proper divisors (1920348924).

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

1144354116 is a wasteful number, since it uses less digits than its factorization.

1144354116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482 (or 461 counting only the distinct ones).

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

The square root of 1144354116 is about 33828.3034750488. The cubic root of 1144354116 is about 1045.9722081803.

Adding to 1144354116 its reverse (6114534411), we get a palindrome (7258888527).

The spelling of 1144354116 in words is "one billion, one hundred forty-four million, three hundred fifty-four thousand, one hundred sixteen".