118454285 has 4 divisors (see below), whose sum is σ = 142145148. Its totient is φ = 94763424.

The previous prime is 118454267. The next prime is 118454321. The reversal of 118454285 is 582454811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 582454811 = 1193 ⋅488227.

It can be written as a sum of positive squares in 2 ways, for example, as 27175369 + 91278916 = 5213^2 + 9554^2 .

It is a cyclic number.

It is not a de Polignac number, because 118454285 - 2⁶ = 118454221 is a prime.

It is a super-2 number, since 2×118454285² = 28062835269722450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11845424 + ... + 11845433.

It is an arithmetic number, because the mean of its divisors is an integer number (35536287).

Almost surely, 2^118454285 is an apocalyptic number.

It is an amenable number.

118454285 is a deficient number, since it is larger than the sum of its proper divisors (23690863).

118454285 is an equidigital number, since it uses as much as digits as its factorization.

118454285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23690862.

The product of its digits is 51200, while the sum is 38.

The square root of 118454285 is about 10883.6705664955. The cubic root of 118454285 is about 491.1154444180.

The spelling of 118454285 in words is "one hundred eighteen million, four hundred fifty-four thousand, two hundred eighty-five".