118443456 has 84 divisors (see below), whose sum is σ = 345164664. Its totient is φ = 38822400.

The previous prime is 118443427. The next prime is 118443463. The reversal of 118443456 is 654344811.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 118443456.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 33451 + ... + 36821.

Almost surely, 2^118443456 is an apocalyptic number.

118443456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118443456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172582332).

118443456 is an abundant number, since it is smaller than the sum of its proper divisors (226721208).

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

118443456 is a wasteful number, since it uses less digits than its factorization.

118443456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3450 (or 3437 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 118443456 is about 10883.1730667117. The cubic root of 118443456 is about 491.1004781626.

The spelling of 118443456 in words is "one hundred eighteen million, four hundred forty-three thousand, four hundred fifty-six".