159489505 has 16 divisors (see below), whose sum is σ = 219158784. Its totient is φ = 109149120.

The previous prime is 159489503. The next prime is 159489541. The reversal of 159489505 is 505984951.

It is not a de Polignac number, because 159489505 - 2¹ = 159489503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159489503) 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 15 ways as a sum of consecutive naturals, for example, 14724 + ... + 23146.

It is an arithmetic number, because the mean of its divisors is an integer number (13697424).

Almost surely, 2^159489505 is an apocalyptic number.

It is an amenable number.

159489505 is a deficient number, since it is larger than the sum of its proper divisors (59669279).

159489505 is an equidigital number, since it uses as much as digits as its factorization.

159489505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8976.

The product of its (nonzero) digits is 324000, while the sum is 46.

The square root of 159489505 is about 12628.9154324510. The cubic root of 159489505 is about 542.3055345812.

The spelling of 159489505 in words is "one hundred fifty-nine million, four hundred eighty-nine thousand, five hundred five".