159767945 has 16 divisors (see below), whose sum is σ = 194745600. Its totient is φ = 125810304.

The previous prime is 159767911. The next prime is 159767947. The reversal of 159767945 is 549767951.

159767945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 159767945 - 2⁸ = 159767689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (159767947) 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, 151781 + ... + 152829.

It is an arithmetic number, because the mean of its divisors is an integer number (12171600).

Almost surely, 2^159767945 is an apocalyptic number.

It is an amenable number.

159767945 is a deficient number, since it is larger than the sum of its proper divisors (34977655).

159767945 is a wasteful number, since it uses less digits than its factorization.

159767945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504.

The product of its digits is 2381400, while the sum is 53.

The square root of 159767945 is about 12639.9345330583. The cubic root of 159767945 is about 542.6209404245.

The spelling of 159767945 in words is "one hundred fifty-nine million, seven hundred sixty-seven thousand, nine hundred forty-five".