159944900 has 18 divisors (see below), whose sum is σ = 347080650. Its totient is φ = 63977920.

The previous prime is 159944899. The next prime is 159944909. The reversal of 159944900 is 9449951.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 9784384 + 150160516 = 3128^2 + 12254^2 .

It is not an unprimeable number, because it can be changed into a prime (159944909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 799625 + ... + 799824.

Almost surely, 2^159944900 is an apocalyptic number.

159944900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

159944900 is an abundant number, since it is smaller than the sum of its proper divisors (187135750).

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

159944900 is a wasteful number, since it uses less digits than its factorization.

159944900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1599463 (or 1599456 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 159944900 is about 12646.9324343890. The cubic root of 159944900 is about 542.8211976595.

The spelling of 159944900 in words is "one hundred fifty-nine million, nine hundred forty-four thousand, nine hundred".