118493142 has 16 divisors (see below), whose sum is σ = 237158400. Its totient is φ = 39469032.

The previous prime is 118493119. The next prime is 118493143. The reversal of 118493142 is 241394811.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118493143) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2859 + ... + 15657.

It is an arithmetic number, because the mean of its divisors is an integer number (14822400).

Almost surely, 2^118493142 is an apocalyptic number.

118493142 is an abundant number, since it is smaller than the sum of its proper divisors (118665258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118493142 is a wasteful number, since it uses less digits than its factorization.

118493142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14347.

The product of its digits is 6912, while the sum is 33.

The square root of 118493142 is about 10885.4555256085. The cubic root of 118493142 is about 491.1691393562.

The spelling of 118493142 in words is "one hundred eighteen million, four hundred ninety-three thousand, one hundred forty-two".