1144078818 has 16 divisors (see below), whose sum is σ = 2422755360. Its totient is φ = 358926656.

The previous prime is 1144078807. The next prime is 1144078823. The reversal of 1144078818 is 8188704411.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 1144078818.

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, 5608128 + ... + 5608331.

It is an arithmetic number, because the mean of its divisors is an integer number (151422210).

Almost surely, 2^1144078818 is an apocalyptic number.

1144078818 is an abundant number, since it is smaller than the sum of its proper divisors (1278676542).

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

1144078818 is a wasteful number, since it uses less digits than its factorization.

1144078818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11216481.

The product of its (nonzero) digits is 57344, while the sum is 42.

The square root of 1144078818 is about 33824.2341820181. The cubic root of 1144078818 is about 1045.8883247195. Note that the first 3 decimals are identical.

The spelling of 1144078818 in words is "one billion, one hundred forty-four million, seventy-eight thousand, eight hundred eighteen".