118563945 has 8 divisors (see below), whose sum is σ = 189702336. Its totient is φ = 63234096.

The previous prime is 118563941. The next prime is 118563959. The reversal of 118563945 is 549365811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 118563945 - 2² = 118563941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 118563897 and 118563906.

It is not an unprimeable number, because it can be changed into a prime (118563941) by changing a digit.

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, 3952117 + ... + 3952146.

It is an arithmetic number, because the mean of its divisors is an integer number (23712792).

Almost surely, 2^118563945 is an apocalyptic number.

118563945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

118563945 is a deficient number, since it is larger than the sum of its proper divisors (71138391).

118563945 is an equidigital number, since it uses as much as digits as its factorization.

118563945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7904271.

The product of its digits is 129600, while the sum is 42.

The square root of 118563945 is about 10888.7072235413. The cubic root of 118563945 is about 491.2669490232.

The spelling of 118563945 in words is "one hundred eighteen million, five hundred sixty-three thousand, nine hundred forty-five".