159381845 has 16 divisors (see below), whose sum is σ = 218811648. Its totient is φ = 109175040.

The previous prime is 159381809. The next prime is 159381857. The reversal of 159381845 is 548183951.

It is not a de Polignac number, because 159381845 - 2¹⁰ = 159380821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 159381796 and 159381805.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43640 + ... + 47150.

It is an arithmetic number, because the mean of its divisors is an integer number (13675728).

Almost surely, 2^159381845 is an apocalyptic number.

It is an amenable number.

159381845 is a deficient number, since it is larger than the sum of its proper divisors (59429803).

159381845 is a wasteful number, since it uses less digits than its factorization.

159381845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4820.

The product of its digits is 172800, while the sum is 44.

The square root of 159381845 is about 12624.6522724390. The cubic root of 159381845 is about 542.1834831733.

It can be divided in two parts, 1593 and 81845, that added together give a palindrome (83438).

The spelling of 159381845 in words is "one hundred fifty-nine million, three hundred eighty-one thousand, eight hundred forty-five".