159440034158 has 8 divisors (see below), whose sum is σ = 239229003720. Its totient is φ = 79697032920.

The previous prime is 159440034151. The next prime is 159440034167. The reversal of 159440034158 is 851430044951.

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

It is a super-2 number, since 2×159440034158² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159440034151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11483408 + ... + 11497283.

It is an arithmetic number, because the mean of its divisors is an integer number (29903625465).

Almost surely, 2^159440034158 is an apocalyptic number.

159440034158 is a deficient number, since it is larger than the sum of its proper divisors (79788969562).

159440034158 is a wasteful number, since it uses less digits than its factorization.

159440034158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22984162.

The product of its (nonzero) digits is 345600, while the sum is 44.

The spelling of 159440034158 in words is "one hundred fifty-nine billion, four hundred forty million, thirty-four thousand, one hundred fifty-eight".