159046818 has 16 divisors (see below), whose sum is σ = 363535680. Its totient is φ = 45441936.

The previous prime is 159046793. The next prime is 159046847. The reversal of 159046818 is 818640951.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 3786829 = 159046818 / (1 + 5 + 9 + 0 + 4 + 6 + 8 + 1 + 8).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 159046818.

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, 1893373 + ... + 1893456.

It is an arithmetic number, because the mean of its divisors is an integer number (22720980).

Almost surely, 2^159046818 is an apocalyptic number.

159046818 is an abundant number, since it is smaller than the sum of its proper divisors (204488862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

159046818 is a wasteful number, since it uses less digits than its factorization.

159046818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3786841.

The product of its (nonzero) digits is 69120, while the sum is 42.

The square root of 159046818 is about 12611.3765307360. The cubic root of 159046818 is about 541.8033195680.

It can be divided in two parts, 15904 and 6818, that added together give a palindrome (22722).

The spelling of 159046818 in words is "one hundred fifty-nine million, forty-six thousand, eight hundred eighteen".