159141946 has 4 divisors (see below), whose sum is σ = 238712922. Its totient is φ = 79570972.

The previous prime is 159141923. The next prime is 159141949. The reversal of 159141946 is 649141951.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 649141951 = 15607 ⋅41593.

It can be written as a sum of positive squares in only one way, i.e., 159138225 + 3721 = 12615^2 + 61^2 .

It is a junction number, because it is equal to n+sod(n) for n = 159141899 and 159141908.

It is not an unprimeable number, because it can be changed into a prime (159141949) 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 as a sum of consecutive naturals, namely, 39785485 + ... + 39785488.

Almost surely, 2^159141946 is an apocalyptic number.

159141946 is a deficient number, since it is larger than the sum of its proper divisors (79570976).

159141946 is an equidigital number, since it uses as much as digits as its factorization.

159141946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79570975.

The product of its digits is 38880, while the sum is 40.

The square root of 159141946 is about 12615.1474822929. The cubic root of 159141946 is about 541.9113179434.

The spelling of 159141946 in words is "one hundred fifty-nine million, one hundred forty-one thousand, nine hundred forty-six".