159145609 has 12 divisors (see below), whose sum is σ = 183749376. Its totient is φ = 135023112.

The previous prime is 159145607. The next prime is 159145627. The reversal of 159145609 is 906541951.

It is not a de Polignac number, because 159145609 - 2¹ = 159145607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159145603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73192 + ... + 75334.

It is an arithmetic number, because the mean of its divisors is an integer number (15312448).

Almost surely, 2^159145609 is an apocalyptic number.

It is an amenable number.

159145609 is a deficient number, since it is larger than the sum of its proper divisors (24603767).

159145609 is an equidigital number, since it uses as much as digits as its factorization.

159145609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2356 (or 2253 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 40.

The square root of 159145609 is about 12615.2926640645. The cubic root of 159145609 is about 541.9154756697.

The spelling of 159145609 in words is "one hundred fifty-nine million, one hundred forty-five thousand, six hundred nine".