118182285 has 24 divisors (see below), whose sum is σ = 220608024. Its totient is φ = 58181760.

The previous prime is 118182277. The next prime is 118182307. The reversal of 118182285 is 582281811.

It can be written as a sum of positive squares in 4 ways, for example, as 1671849 + 116510436 = 1293^2 + 10794^2 .

It is not a de Polignac number, because 118182285 - 2³ = 118182277 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100426 + ... + 101595.

It is an arithmetic number, because the mean of its divisors is an integer number (9192001).

Almost surely, 2^118182285 is an apocalyptic number.

118182285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

118182285 is a deficient number, since it is larger than the sum of its proper divisors (102425739).

118182285 is a wasteful number, since it uses less digits than its factorization.

118182285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202045 (or 202042 counting only the distinct ones).

The product of its digits is 10240, while the sum is 36.

The square root of 118182285 is about 10871.1676005846. The cubic root of 118182285 is about 490.7392492801.

The spelling of 118182285 in words is "one hundred eighteen million, one hundred eighty-two thousand, two hundred eighty-five".