159243026309 has 8 divisors (see below), whose sum is σ = 167679420480. Its totient is φ = 150812150400.

The previous prime is 159243026279. The next prime is 159243026323. The reversal of 159243026309 is 903620342951.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-159243026309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 159243026309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159243026339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1320257 + ... + 1435814.

It is an arithmetic number, because the mean of its divisors is an integer number (20959927560).

Almost surely, 2^159243026309 is an apocalyptic number.

159243026309 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

159243026309 is a deficient number, since it is larger than the sum of its proper divisors (8436394171).

159243026309 is a wasteful number, since it uses less digits than its factorization.

159243026309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2759131.

The product of its (nonzero) digits is 349920, while the sum is 44.

The spelling of 159243026309 in words is "one hundred fifty-nine billion, two hundred forty-three million, twenty-six thousand, three hundred nine".