800143650 has 144 divisors (see below), whose sum is σ = 2257876320. Its totient is φ = 208353600.

The previous prime is 800143639. The next prime is 800143693. The reversal of 800143650 is 56341008.

800143650 is a `hidden beast` number, since 8 + 0 + 0 + 1 + 4 + 3 + 650 = 666.

800143650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3792045 + ... + 3792255.

Almost surely, 2^800143650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 800143650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1128938160).

800143650 is an abundant number, since it is smaller than the sum of its proper divisors (1457732670).

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

800143650 is a wasteful number, since it uses less digits than its factorization.

800143650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 800143650 is about 28286.8105307049. The cubic root of 800143650 is about 928.3733270835.

Adding to 800143650 its reverse (56341008), we get a palindrome (856484658).

The spelling of 800143650 in words is "eight hundred million, one hundred forty-three thousand, six hundred fifty".