159780385 has 8 divisors (see below), whose sum is σ = 192415680. Its totient is φ = 127371504.

The previous prime is 159780373. The next prime is 159780391. The reversal of 159780385 is 583087951.

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 159780385 - 2⁵ = 159780353 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55045 + ... + 57874.

It is an arithmetic number, because the mean of its divisors is an integer number (24051960).

Almost surely, 2^159780385 is an apocalyptic number.

It is an amenable number.

159780385 is a deficient number, since it is larger than the sum of its proper divisors (32635295).

159780385 is a wasteful number, since it uses less digits than its factorization.

159780385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113207.

The product of its (nonzero) digits is 302400, while the sum is 46.

The square root of 159780385 is about 12640.4266146361. The cubic root of 159780385 is about 542.6350234108.

The spelling of 159780385 in words is "one hundred fifty-nine million, seven hundred eighty thousand, three hundred eighty-five".