118345542 has 32 divisors (see below), whose sum is σ = 271717632. Its totient is φ = 33661344.

The previous prime is 118345519. The next prime is 118345559. The reversal of 118345542 is 245543811.

It is a super-2 number, since 2×118345542² = 28011334622547528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3328 + ... + 15740.

It is an arithmetic number, because the mean of its divisors is an integer number (8491176).

Almost surely, 2^118345542 is an apocalyptic number.

118345542 is an abundant number, since it is smaller than the sum of its proper divisors (153372090).

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

118345542 is a wasteful number, since it uses less digits than its factorization.

118345542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12652.

The product of its digits is 19200, while the sum is 33.

The square root of 118345542 is about 10878.6737243103. The cubic root of 118345542 is about 490.9651143632.

The spelling of 118345542 in words is "one hundred eighteen million, three hundred forty-five thousand, five hundred forty-two".