100000143232 has 128 divisors (see below), whose sum is σ = 226065945600. Its totient is φ = 43650048000.

The previous prime is 100000143211. The next prime is 100000143241. The reversal of 100000143232 is 232341000001.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5709144 + ... + 5726632.

It is an arithmetic number, because the mean of its divisors is an integer number (1766140200).

Almost surely, 2^100000143232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100000143232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113032972800).

100000143232 is an abundant number, since it is smaller than the sum of its proper divisors (126065802368).

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

100000143232 is a wasteful number, since it uses less digits than its factorization.

100000143232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17676 (or 17664 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 100000143232 its reverse (232341000001), we get a palindrome (332341143233).

The spelling of 100000143232 in words is "one hundred billion, one hundred forty-three thousand, two hundred thirty-two".