159249855 has 16 divisors (see below), whose sum is σ = 260726400. Its totient is φ = 82957728.

The previous prime is 159249851. The next prime is 159249889. The reversal of 159249855 is 558942951.

It is not a de Polignac number, because 159249855 - 2² = 159249851 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159249851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122805 + ... + 124094.

It is an arithmetic number, because the mean of its divisors is an integer number (16295400).

Almost surely, 2^159249855 is an apocalyptic number.

159249855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

159249855 is a deficient number, since it is larger than the sum of its proper divisors (101476545).

159249855 is a wasteful number, since it uses less digits than its factorization.

159249855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246950.

The product of its digits is 648000, while the sum is 48.

The square root of 159249855 is about 12619.4237190135. The cubic root of 159249855 is about 542.0337744416.

The spelling of 159249855 in words is "one hundred fifty-nine million, two hundred forty-nine thousand, eight hundred fifty-five".