159285973 has 24 divisors (see below), whose sum is σ = 201393920. Its totient is φ = 123314400.

The previous prime is 159285947. The next prime is 159285977. The reversal of 159285973 is 379582951.

It is a de Polignac number, because none of the positive numbers 2^k-159285973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159285977) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 152788 + ... + 153826.

Almost surely, 2^159285973 is an apocalyptic number.

It is an amenable number.

159285973 is a deficient number, since it is larger than the sum of its proper divisors (42107947).

159285973 is a wasteful number, since it uses less digits than its factorization.

159285973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249 (or 1238 counting only the distinct ones).

The product of its digits is 680400, while the sum is 49.

The square root of 159285973 is about 12620.8546857968. The cubic root of 159285973 is about 542.0747492481.

The spelling of 159285973 in words is "one hundred fifty-nine million, two hundred eighty-five thousand, nine hundred seventy-three".