118545805 has 16 divisors (see below), whose sum is σ = 163013760. Its totient is φ = 81070272.

The previous prime is 118545803. The next prime is 118545827. The reversal of 118545805 is 508545811.

It is a cyclic number.

It is not a de Polignac number, because 118545805 - 2¹ = 118545803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118545803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9262 + ... + 17968.

It is an arithmetic number, because the mean of its divisors is an integer number (10188360).

Almost surely, 2^118545805 is an apocalyptic number.

It is an amenable number.

118545805 is a deficient number, since it is larger than the sum of its proper divisors (44467955).

118545805 is an equidigital number, since it uses as much as digits as its factorization.

118545805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9108.

The product of its (nonzero) digits is 32000, while the sum is 37.

The square root of 118545805 is about 10887.8742185975. The cubic root of 118545805 is about 491.2418935226.

The spelling of 118545805 in words is "one hundred eighteen million, five hundred forty-five thousand, eight hundred five".