1142818618 has 16 divisors (see below), whose sum is σ = 1792829376. Its totient is φ = 545321920.

The previous prime is 1142818601. The next prime is 1142818637. The reversal of 1142818618 is 8168182411.

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 7 ways as a sum of consecutive naturals, for example, 7663 + ... + 48418.

It is an arithmetic number, because the mean of its divisors is an integer number (112051836).

Almost surely, 2^1142818618 is an apocalyptic number.

1142818618 is a deficient number, since it is larger than the sum of its proper divisors (650010758).

1142818618 is a wasteful number, since it uses less digits than its factorization.

1142818618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56549.

The product of its digits is 24576, while the sum is 40.

The square root of 1142818618 is about 33805.6003940176. The cubic root of 1142818618 is about 1045.5041691649.

The spelling of 1142818618 in words is "one billion, one hundred forty-two million, eight hundred eighteen thousand, six hundred eighteen".