159071243 has 16 divisors (see below), whose sum is σ = 169827840. Its totient is φ = 148678464.

The previous prime is 159071219. The next prime is 159071279. The reversal of 159071243 is 342170951.

It is a cyclic number.

It is not a de Polignac number, because 159071243 - 2²⁴ = 142294027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159071203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196223 + ... + 197031.

It is an arithmetic number, because the mean of its divisors is an integer number (10614240).

Almost surely, 2^159071243 is an apocalyptic number.

159071243 is a deficient number, since it is larger than the sum of its proper divisors (10756597).

159071243 is a wasteful number, since it uses less digits than its factorization.

159071243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 159071243 is about 12612.3448652501. The cubic root of 159071243 is about 541.8310532649.

The spelling of 159071243 in words is "one hundred fifty-nine million, seventy-one thousand, two hundred forty-three".