118145278 has 16 divisors (see below), whose sum is σ = 185518080. Its totient is φ = 56359800.

The previous prime is 118145267. The next prime is 118145281. The reversal of 118145278 is 872541811.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9018 + ... + 17821.

It is an arithmetic number, because the mean of its divisors is an integer number (11594880).

Almost surely, 2^118145278 is an apocalyptic number.

118145278 is a deficient number, since it is larger than the sum of its proper divisors (67372802).

118145278 is a wasteful number, since it uses less digits than its factorization.

118145278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26943.

The product of its digits is 17920, while the sum is 37.

The square root of 118145278 is about 10869.4653962373. The cubic root of 118145278 is about 490.6880214013.

The spelling of 118145278 in words is "one hundred eighteen million, one hundred forty-five thousand, two hundred seventy-eight".