118154 has 4 divisors (see below), whose sum is σ = 177234. Its totient is φ = 59076.

The previous prime is 118147. The next prime is 118163. The reversal of 118154 is 451811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 451811 = 47 ⋅9613.

It can be written as a sum of positive squares in only one way, i.e., 112225 + 5929 = 335^2 + 77^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29537 + ... + 29540.

2¹¹⁸¹⁵⁴ is an apocalyptic number.

118154 is a deficient number, since it is larger than the sum of its proper divisors (59080).

118154 is an equidigital number, since it uses as much as digits as its factorization.

118154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59079.

The product of its digits is 160, while the sum is 20.

The square root of 118154 is about 343.7353633248. The cubic root of 118154 is about 49.0700096015.

Adding to 118154 its reverse (451811), we get a palindrome (569965).

It can be divided in two parts, 118 and 154, that added together give a palindrome (272).

The spelling of 118154 in words is "one hundred eighteen thousand, one hundred fifty-four".