159081378 has 16 divisors (see below), whose sum is σ = 319170240. Its totient is φ = 52859216.

The previous prime is 159081371. The next prime is 159081397. The reversal of 159081378 is 873180951.

It is a super-3 number, since 3×159081378³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (159081371) 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, 39918 + ... + 43721.

It is an arithmetic number, because the mean of its divisors is an integer number (19948140).

Almost surely, 2^159081378 is an apocalyptic number.

159081378 is an abundant number, since it is smaller than the sum of its proper divisors (160088862).

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

159081378 is a wasteful number, since it uses less digits than its factorization.

159081378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83961.

The product of its (nonzero) digits is 60480, while the sum is 42.

The square root of 159081378 is about 12612.7466477370. The cubic root of 159081378 is about 541.8425603544.

The spelling of 159081378 in words is "one hundred fifty-nine million, eighty-one thousand, three hundred seventy-eight".