159947307 has 48 divisors (see below), whose sum is σ = 257184928. Its totient is φ = 95178240.

The previous prime is 159947303. The next prime is 159947327. The reversal of 159947307 is 703749951.

It is not a de Polignac number, because 159947307 - 2² = 159947303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (159947303) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 520848 + ... + 521154.

Almost surely, 2^159947307 is an apocalyptic number.

159947307 is a deficient number, since it is larger than the sum of its proper divisors (97237621).

159947307 is a wasteful number, since it uses less digits than its factorization.

159947307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460 (or 457 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 45.

The square root of 159947307 is about 12647.0275954471. The cubic root of 159947307 is about 542.8239206057.

The spelling of 159947307 in words is "one hundred fifty-nine million, nine hundred forty-seven thousand, three hundred seven".