159433854 has 16 divisors (see below), whose sum is σ = 337624848. Its totient is φ = 50018432.

The previous prime is 159433843. The next prime is 159433889. The reversal of 159433854 is 458334951.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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, 781437 + ... + 781640.

It is an arithmetic number, because the mean of its divisors is an integer number (21101553).

Almost surely, 2^159433854 is an apocalyptic number.

159433854 is an abundant number, since it is smaller than the sum of its proper divisors (178190994).

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

159433854 is a wasteful number, since it uses less digits than its factorization.

159433854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1563099.

The product of its digits is 259200, while the sum is 42.

The square root of 159433854 is about 12626.7119235373. The cubic root of 159433854 is about 542.2424513160.

The spelling of 159433854 in words is "one hundred fifty-nine million, four hundred thirty-three thousand, eight hundred fifty-four".