118345565 has 8 divisors (see below), whose sum is σ = 152938968. Its totient is φ = 87393600.

The previous prime is 118345559. The next prime is 118345567. The reversal of 118345565 is 565543811.

It can be written as a sum of positive squares in 4 ways, for example, as 26894596 + 91450969 = 5186^2 + 9563^2 .

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

It is not a de Polignac number, because 118345565 - 2⁸ = 118345309 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118345567) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 910286 + ... + 910415.

It is an arithmetic number, because the mean of its divisors is an integer number (19117371).

Almost surely, 2^118345565 is an apocalyptic number.

It is an amenable number.

118345565 is a deficient number, since it is larger than the sum of its proper divisors (34593403).

118345565 is a wasteful number, since it uses less digits than its factorization.

118345565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1820719.

The product of its digits is 72000, while the sum is 38.

The square root of 118345565 is about 10878.6747814244. The cubic root of 118345565 is about 490.9651461689.

The spelling of 118345565 in words is "one hundred eighteen million, three hundred forty-five thousand, five hundred sixty-five".