159505047 has 36 divisors (see below), whose sum is σ = 254631832. Its totient is φ = 95644800.

The previous prime is 159505009. The next prime is 159505051. The reversal of 159505047 is 740505951.

159505047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 159505047 - 2¹⁸ = 159242903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159505097) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 196272 + ... + 197082.

Almost surely, 2^159505047 is an apocalyptic number.

159505047 is a deficient number, since it is larger than the sum of its proper divisors (95126785).

159505047 is a wasteful number, since it uses less digits than its factorization.

159505047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912 (or 868 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 36.

The square root of 159505047 is about 12629.5307513779. The cubic root of 159505047 is about 542.3231496146.

The spelling of 159505047 in words is "one hundred fifty-nine million, five hundred five thousand, forty-seven".