159317745 has 16 divisors (see below), whose sum is σ = 261798720. Its totient is φ = 82672704.

The previous prime is 159317737. The next prime is 159317749. The reversal of 159317745 is 547713951.

It is not a de Polignac number, because 159317745 - 2³ = 159317737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 159317697 and 159317706.

It is not an unprimeable number, because it can be changed into a prime (159317749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142975 + ... + 144084.

It is an arithmetic number, because the mean of its divisors is an integer number (16362420).

Almost surely, 2^159317745 is an apocalyptic number.

159317745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

159317745 is a deficient number, since it is larger than the sum of its proper divisors (102480975).

159317745 is a wasteful number, since it uses less digits than its factorization.

159317745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287104.

The product of its digits is 132300, while the sum is 42.

The square root of 159317745 is about 12622.1133333527. The cubic root of 159317745 is about 542.1107885252.

The spelling of 159317745 in words is "one hundred fifty-nine million, three hundred seventeen thousand, seven hundred forty-five".