159311146 has 4 divisors (see below), whose sum is σ = 238966722. Its totient is φ = 79655572.

The previous prime is 159311111. The next prime is 159311161. The reversal of 159311146 is 641113951.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 96727225 + 62583921 = 9835^2 + 7911^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39827785 + ... + 39827788.

Almost surely, 2^159311146 is an apocalyptic number.

159311146 is a deficient number, since it is larger than the sum of its proper divisors (79655576).

159311146 is an equidigital number, since it uses as much as digits as its factorization.

159311146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79655575.

The product of its digits is 3240, while the sum is 31.

The square root of 159311146 is about 12621.8519243414. The cubic root of 159311146 is about 542.1033036120.

The spelling of 159311146 in words is "one hundred fifty-nine million, three hundred eleven thousand, one hundred forty-six".