159894900 has 216 divisors, whose sum is σ = 565463808. Its totient is φ = 37440000.

The previous prime is 159894881. The next prime is 159894907. The reversal of 159894900 is 9498951.

159894900 is a `hidden beast` number, since 159 + 8 + 9 + 490 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159894907) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 306640 + ... + 307160.

It is an arithmetic number, because the mean of its divisors is an integer number (2617888).

Almost surely, 2^159894900 is an apocalyptic number.

159894900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 159894900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282731904).

159894900 is an abundant number, since it is smaller than the sum of its proper divisors (405568908).

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

159894900 is a wasteful number, since it uses less digits than its factorization.

159894900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583 (or 573 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The square root of 159894900 is about 12644.9555159360. The cubic root of 159894900 is about 542.7646284107.

The spelling of 159894900 in words is "one hundred fifty-nine million, eight hundred ninety-four thousand, nine hundred".