1144063818 has 16 divisors (see below), whose sum is σ = 2542364160. Its totient is φ = 381354588.

The previous prime is 1144063799. The next prime is 1144063831. The reversal of 1144063818 is 8183604411.

It is a happy number.

1144063818 is a `hidden beast` number, since 1 + 1 + 4 + 4 + 0 + 638 + 18 = 666.

It is a super-3 number, since 3×1144063818³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10593130 + ... + 10593237.

It is an arithmetic number, because the mean of its divisors is an integer number (158897760).

Almost surely, 2^1144063818 is an apocalyptic number.

1144063818 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1144063818 is an abundant number, since it is smaller than the sum of its proper divisors (1398300342).

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

1144063818 is a wasteful number, since it uses less digits than its factorization.

1144063818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21186378 (or 21186372 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 1144063818 is about 33824.0124467811. The cubic root of 1144063818 is about 1045.8837538242.

The spelling of 1144063818 in words is "one billion, one hundred forty-four million, sixty-three thousand, eight hundred eighteen".