159191146 has 8 divisors (see below), whose sum is σ = 240368544. Its totient is φ = 79068300.

The previous prime is 159191099. The next prime is 159191147. The reversal of 159191146 is 641191951.

159191146 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-3 number, since 3×159191146³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (159191147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263260 + ... + 263863.

It is an arithmetic number, because the mean of its divisors is an integer number (30046068).

Almost surely, 2^159191146 is an apocalyptic number.

159191146 is a deficient number, since it is larger than the sum of its proper divisors (81177398).

159191146 is a wasteful number, since it uses less digits than its factorization.

159191146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527276.

The product of its digits is 9720, while the sum is 37.

The square root of 159191146 is about 12617.0973682539. The cubic root of 159191146 is about 541.9671575893.

The spelling of 159191146 in words is "one hundred fifty-nine million, one hundred ninety-one thousand, one hundred forty-six".