118285542 has 16 divisors (see below), whose sum is σ = 262856880. Its totient is φ = 39428496.

The previous prime is 118285537. The next prime is 118285543. The reversal of 118285542 is 245582811.

It is a junction number, because it is equal to n+sod(n) for n = 118285497 and 118285506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118285543) 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, 1095183 + ... + 1095290.

It is an arithmetic number, because the mean of its divisors is an integer number (16428555).

Almost surely, 2^118285542 is an apocalyptic number.

118285542 is an abundant number, since it is smaller than the sum of its proper divisors (144571338).

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

118285542 is a wasteful number, since it uses less digits than its factorization.

118285542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2190484 (or 2190478 counting only the distinct ones).

The product of its digits is 25600, while the sum is 36.

The square root of 118285542 is about 10875.9156855871. The cubic root of 118285542 is about 490.8821288783.

The spelling of 118285542 in words is "one hundred eighteen million, two hundred eighty-five thousand, five hundred forty-two".