159473249 has 8 divisors (see below), whose sum is σ = 171861480. Its totient is φ = 147102336.

The previous prime is 159473239. The next prime is 159473297. The reversal of 159473249 is 942374951.

It can be written as a sum of positive squares in 4 ways, for example, as 2347024 + 157126225 = 1532^2 + 12535^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 159473249 - 2²⁴ = 142696033 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (159473239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19829 + ... + 26685.

It is an arithmetic number, because the mean of its divisors is an integer number (21482685).

Almost surely, 2^159473249 is an apocalyptic number.

It is an amenable number.

159473249 is a deficient number, since it is larger than the sum of its proper divisors (12388231).

159473249 is a wasteful number, since it uses less digits than its factorization.

159473249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8659.

The product of its digits is 272160, while the sum is 44.

The square root of 159473249 is about 12628.2718136727. The cubic root of 159473249 is about 542.2871090881.

The spelling of 159473249 in words is "one hundred fifty-nine million, four hundred seventy-three thousand, two hundred forty-nine".