159147146 has 16 divisors (see below), whose sum is σ = 241867080. Its totient is φ = 78531840.

The previous prime is 159147133. The next prime is 159147161. The reversal of 159147146 is 641741951.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 99780121 + 59367025 = 9989^2 + 7705^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 47990 + ... + 51198.

Almost surely, 2^159147146 is an apocalyptic number.

159147146 is a deficient number, since it is larger than the sum of its proper divisors (82719934).

159147146 is a wasteful number, since it uses less digits than its factorization.

159147146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3529.

The product of its digits is 30240, while the sum is 38.

The square root of 159147146 is about 12615.3535820444. The cubic root of 159147146 is about 541.9172202385.

The spelling of 159147146 in words is "one hundred fifty-nine million, one hundred forty-seven thousand, one hundred forty-six".