118813845 has 32 divisors (see below), whose sum is σ = 197342208. Its totient is φ = 60991488.

The previous prime is 118813829. The next prime is 118813921. The reversal of 118813845 is 548318811.

It is not a de Polignac number, because 118813845 - 2⁴ = 118813829 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52732 + ... + 54938.

It is an arithmetic number, because the mean of its divisors is an integer number (6166944).

Almost surely, 2^118813845 is an apocalyptic number.

118813845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

118813845 is a deficient number, since it is larger than the sum of its proper divisors (78528363).

118813845 is a wasteful number, since it uses less digits than its factorization.

118813845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2349.

The product of its digits is 30720, while the sum is 39.

The square root of 118813845 is about 10900.1763747198. The cubic root of 118813845 is about 491.6118584250.

The spelling of 118813845 in words is "one hundred eighteen million, eight hundred thirteen thousand, eight hundred forty-five".