159742378 has 16 divisors (see below), whose sum is σ = 246657024. Its totient is φ = 77550480.

The previous prime is 159742343. The next prime is 159742379. The reversal of 159742378 is 873247951.

159742378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (159742379) 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, 5248 + ... + 18628.

It is an arithmetic number, because the mean of its divisors is an integer number (15416064).

Almost surely, 2^159742378 is an apocalyptic number.

159742378 is a deficient number, since it is larger than the sum of its proper divisors (86914646).

159742378 is a wasteful number, since it uses less digits than its factorization.

159742378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13557.

The product of its digits is 423360, while the sum is 46.

The square root of 159742378 is about 12638.9231345079. The cubic root of 159742378 is about 542.5919944227.

The spelling of 159742378 in words is "one hundred fifty-nine million, seven hundred forty-two thousand, three hundred seventy-eight".