118323645 has 16 divisors (see below), whose sum is σ = 206528832. Its totient is φ = 57368960.

The previous prime is 118323641. The next prime is 118323649. The reversal of 118323645 is 546323811.

It is an interprime number because it is at equal distance from previous prime (118323641) and next prime (118323649).

It is not a de Polignac number, because 118323645 - 2² = 118323641 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118323641) 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 15 ways as a sum of consecutive naturals, for example, 358392 + ... + 358721.

It is an arithmetic number, because the mean of its divisors is an integer number (12908052).

Almost surely, 2^118323645 is an apocalyptic number.

118323645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

118323645 is a deficient number, since it is larger than the sum of its proper divisors (88205187).

118323645 is a wasteful number, since it uses less digits than its factorization.

118323645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717132.

The product of its digits is 17280, while the sum is 33.

The square root of 118323645 is about 10877.6672591140. The cubic root of 118323645 is about 490.9348320615.

The spelling of 118323645 in words is "one hundred eighteen million, three hundred twenty-three thousand, six hundred forty-five".