118685045 has 4 divisors (see below), whose sum is σ = 142422060. Its totient is φ = 94948032.

The previous prime is 118685009. The next prime is 118685051. The reversal of 118685045 is 540586811.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 94458961 + 24226084 = 9719^2 + 4922^2 .

It is a cyclic number.

It is not a de Polignac number, because 118685045 - 2⁶ = 118684981 is a prime.

It is a super-2 number, since 2×118685045² = 28172279813304050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11868500 + ... + 11868509.

It is an arithmetic number, because the mean of its divisors is an integer number (35605515).

Almost surely, 2^118685045 is an apocalyptic number.

It is an amenable number.

118685045 is a deficient number, since it is larger than the sum of its proper divisors (23737015).

118685045 is an equidigital number, since it uses as much as digits as its factorization.

118685045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23737014.

The product of its (nonzero) digits is 38400, while the sum is 38.

The square root of 118685045 is about 10894.2666113878. The cubic root of 118685045 is about 491.4341504548.

The spelling of 118685045 in words is "one hundred eighteen million, six hundred eighty-five thousand, forty-five".