159445316 has 6 divisors (see below), whose sum is σ = 279029310. Its totient is φ = 79722656.

The previous prime is 159445271. The next prime is 159445331. The reversal of 159445316 is 613544951.

It can be written as a sum of positive squares in only one way, i.e., 82882816 + 76562500 = 9104^2 + 8750^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 159445316.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19930661 + ... + 19930668.

It is an arithmetic number, because the mean of its divisors is an integer number (46504885).

Almost surely, 2^159445316 is an apocalyptic number.

It is an amenable number.

159445316 is a deficient number, since it is larger than the sum of its proper divisors (119583994).

159445316 is a wasteful number, since it uses less digits than its factorization.

159445316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39861333 (or 39861331 counting only the distinct ones).

The product of its digits is 64800, while the sum is 38.

The square root of 159445316 is about 12627.1657944291. The cubic root of 159445316 is about 542.2554452816.

The spelling of 159445316 in words is "one hundred fifty-nine million, four hundred forty-five thousand, three hundred sixteen".