159814609 has 4 divisors (see below), whose sum is σ = 159966016. Its totient is φ = 159663204.

The previous prime is 159814573. The next prime is 159814639. The reversal of 159814609 is 906418951.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 906418951 = 31 ⋅29239321.

It is a cyclic number.

It is not a de Polignac number, because 159814609 - 2¹¹ = 159812561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159814639) 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 3 ways as a sum of consecutive naturals, for example, 74109 + ... + 76234.

It is an arithmetic number, because the mean of its divisors is an integer number (39991504).

Almost surely, 2^159814609 is an apocalyptic number.

It is an amenable number.

159814609 is a deficient number, since it is larger than the sum of its proper divisors (151407).

159814609 is a wasteful number, since it uses less digits than its factorization.

159814609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151406.

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 159814609 is about 12641.7802939301. The cubic root of 159814609 is about 542.6737637006.

The spelling of 159814609 in words is "one hundred fifty-nine million, eight hundred fourteen thousand, six hundred nine".