118183442 has 16 divisors (see below), whose sum is σ = 192883992. Its totient is φ = 53982720.

The previous prime is 118183441. The next prime is 118183469. The reversal of 118183442 is 244381811.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 72607441 + 45576001 = 8521^2 + 6751^2 .

It is a junction number, because it is equal to n+sod(n) for n = 118183399 and 118183408.

It is not an unprimeable number, because it can be changed into a prime (118183441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20909 + ... + 25952.

Almost surely, 2^118183442 is an apocalyptic number.

118183442 is a deficient number, since it is larger than the sum of its proper divisors (74700550).

118183442 is a wasteful number, since it uses less digits than its factorization.

118183442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46973.

The product of its digits is 6144, while the sum is 32.

The square root of 118183442 is about 10871.2208146096. The cubic root of 118183442 is about 490.7408507143.

The spelling of 118183442 in words is "one hundred eighteen million, one hundred eighty-three thousand, four hundred forty-two".