159470947 has 4 divisors (see below), whose sum is σ = 160618360. Its totient is φ = 158323536.

The previous prime is 159470929. The next prime is 159470957. The reversal of 159470947 is 749074951.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 159470947 - 2¹⁵ = 159438179 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 159470897 and 159470906.

It is not an unprimeable number, because it can be changed into a prime (159470917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 573498 + ... + 573775.

It is an arithmetic number, because the mean of its divisors is an integer number (40154590).

Almost surely, 2^159470947 is an apocalyptic number.

159470947 is a deficient number, since it is larger than the sum of its proper divisors (1147413).

159470947 is a wasteful number, since it uses less digits than its factorization.

159470947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147412.

The product of its (nonzero) digits is 317520, while the sum is 46.

The square root of 159470947 is about 12628.1806686474. The cubic root of 159470947 is about 542.2844997666.

The spelling of 159470947 in words is "one hundred fifty-nine million, four hundred seventy thousand, nine hundred forty-seven".