42518158 has 8 divisors (see below), whose sum is σ = 64020528. Its totient is φ = 21177984.

The previous prime is 42518153. The next prime is 42518183. The reversal of 42518158 is 85181524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42518153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39891 + ... + 40942.

It is an arithmetic number, because the mean of its divisors is an integer number (8002566).

Almost surely, 2^42518158 is an apocalyptic number.

42518158 is a deficient number, since it is larger than the sum of its proper divisors (21502370).

42518158 is a wasteful number, since it uses less digits than its factorization.

42518158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81098.

The product of its digits is 12800, while the sum is 34.

The square root of 42518158 is about 6520.5949115092. The cubic root of 42518158 is about 349.0262950114.

The spelling of 42518158 in words is "forty-two million, five hundred eighteen thousand, one hundred fifty-eight".