118144812 has 24 divisors (see below), whose sum is σ = 290180800. Its totient is φ = 37308816.

The previous prime is 118144801. The next prime is 118144837. The reversal of 118144812 is 218441811.

It is a self number, because there is not a number n which added to its sum of digits gives 118144812.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258862 + ... + 259317.

Almost surely, 2^118144812 is an apocalyptic number.

118144812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

118144812 is an abundant number, since it is smaller than the sum of its proper divisors (172035988).

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

118144812 is a wasteful number, since it uses less digits than its factorization.

118144812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518205 (or 518203 counting only the distinct ones).

The product of its digits is 2048, while the sum is 30.

The square root of 118144812 is about 10869.4439600193. The cubic root of 118144812 is about 490.6873762608.

The spelling of 118144812 in words is "one hundred eighteen million, one hundred forty-four thousand, eight hundred twelve".