159782045 has 6 divisors (see below), whose sum is σ = 191772378. Its totient is φ = 127803024.

The previous prime is 159782041. The next prime is 159782047. The reversal of 159782045 is 540287951.

It can be written as a sum of positive squares in 3 ways, for example, as 54493924 + 105288121 = 7382^2 + 10261^2 .

It is not a de Polignac number, because 159782045 - 2² = 159782041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 159781993 and 159782011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159782041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25439 + ... + 31091.

It is an arithmetic number, because the mean of its divisors is an integer number (31962063).

Almost surely, 2^159782045 is an apocalyptic number.

It is an amenable number.

159782045 is a deficient number, since it is larger than the sum of its proper divisors (31990333).

159782045 is an frugal number, since it uses more digits than its factorization.

159782045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11311 (or 5658 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 41.

The square root of 159782045 is about 12640.4922768063. The cubic root of 159782045 is about 542.6369025964.

The spelling of 159782045 in words is "one hundred fifty-nine million, seven hundred eighty-two thousand, forty-five".