118545806 has 4 divisors (see below), whose sum is σ = 177818712. Its totient is φ = 59272902.

The previous prime is 118545803. The next prime is 118545827. The reversal of 118545806 is 608545811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 608545811 = 701 ⋅868111.

It is a self number, because there is not a number n which added to its sum of digits gives 118545806.

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 as a sum of consecutive naturals, namely, 29636450 + ... + 29636453.

It is an arithmetic number, because the mean of its divisors is an integer number (44454678).

Almost surely, 2^118545806 is an apocalyptic number.

118545806 is a deficient number, since it is larger than the sum of its proper divisors (59272906).

118545806 is an equidigital number, since it uses as much as digits as its factorization.

118545806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59272905.

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

The square root of 118545806 is about 10887.8742645201. The cubic root of 118545806 is about 491.2418949039.

The spelling of 118545806 in words is "one hundred eighteen million, five hundred forty-five thousand, eight hundred six".