118638452 has 12 divisors (see below), whose sum is σ = 207936960. Its totient is φ = 59227896.

The previous prime is 118638437. The next prime is 118638479. The reversal of 118638452 is 254836811.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 19868 + ... + 25139.

It is an arithmetic number, because the mean of its divisors is an integer number (17328080).

Almost surely, 2^118638452 is an apocalyptic number.

It is an amenable number.

118638452 is a deficient number, since it is larger than the sum of its proper divisors (89298508).

118638452 is a wasteful number, since it uses less digits than its factorization.

118638452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45670 (or 45668 counting only the distinct ones).

The product of its digits is 46080, while the sum is 38.

The square root of 118638452 is about 10892.1279830894. The cubic root of 118638452 is about 491.3698334822.

The spelling of 118638452 in words is "one hundred eighteen million, six hundred thirty-eight thousand, four hundred fifty-two".