1144085166 has 96 divisors (see below), whose sum is σ = 2925262080. Its totient is φ = 316407168.

The previous prime is 1144085161. The next prime is 1144085167. The reversal of 1144085166 is 6615804411.

It is a super-2 number, since 2×1144085166² = 2617861734122495112, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1144085166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144085161) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 496930 + ... + 499226.

It is an arithmetic number, because the mean of its divisors is an integer number (30471480).

Almost surely, 2^1144085166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1144085166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1462631040).

1144085166 is an abundant number, since it is smaller than the sum of its proper divisors (1781176914).

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

1144085166 is a wasteful number, since it uses less digits than its factorization.

1144085166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2438 (or 2435 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 1144085166 is about 33824.3280199326. The cubic root of 1144085166 is about 1045.8902591103.

Adding to 1144085166 its reverse (6615804411), we get a palindrome (7759889577).

The spelling of 1144085166 in words is "one billion, one hundred forty-four million, eighty-five thousand, one hundred sixty-six".