159397443 has 32 divisors (see below), whose sum is σ = 250398720. Its totient is φ = 100038240.

The previous prime is 159397439. The next prime is 159397451. The reversal of 159397443 is 344793951.

It is not a de Polignac number, because 159397443 - 2² = 159397439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (159397243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28396 + ... + 33542.

It is an arithmetic number, because the mean of its divisors is an integer number (7824960).

Almost surely, 2^159397443 is an apocalyptic number.

159397443 is a deficient number, since it is larger than the sum of its proper divisors (91001277).

159397443 is a wasteful number, since it uses less digits than its factorization.

159397443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5224 (or 5218 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 159397443 is about 12625.2700169145. The cubic root of 159397443 is about 542.2011696338.

The spelling of 159397443 in words is "one hundred fifty-nine million, three hundred ninety-seven thousand, four hundred forty-three".