159789156 has 24 divisors (see below), whose sum is σ = 373208640. Its totient is φ = 53210592.

The previous prime is 159789109. The next prime is 159789173. The reversal of 159789156 is 651987951.

It is a junction number, because it is equal to n+sod(n) for n = 159789099 and 159789108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7305 + ... + 19311.

It is an arithmetic number, because the mean of its divisors is an integer number (15550360).

Almost surely, 2^159789156 is an apocalyptic number.

It is an amenable number.

159789156 is an abundant number, since it is smaller than the sum of its proper divisors (213419484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

159789156 is a wasteful number, since it uses less digits than its factorization.

159789156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13123 (or 13121 counting only the distinct ones).

The product of its digits is 680400, while the sum is 51.

The square root of 159789156 is about 12640.7735522791. The cubic root of 159789156 is about 542.6449523824.

The spelling of 159789156 in words is "one hundred fifty-nine million, seven hundred eighty-nine thousand, one hundred fifty-six".