100143104 has 52 divisors (see below), whose sum is σ = 209165376. Its totient is φ = 47849472.

The previous prime is 100143103. The next prime is 100143139. The reversal of 100143104 is 401341001.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (100143101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93677 + ... + 94739.

Almost surely, 2^100143104 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 100143104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104582688).

100143104 is an abundant number, since it is smaller than the sum of its proper divisors (109022272).

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

100143104 is an equidigital number, since it uses as much as digits as its factorization.

100143104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110 (or 1088 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 100143104 is about 10007.1526419856. The cubic root of 100143104 is about 464.3801878058.

Adding to 100143104 its reverse (401341001), we get a palindrome (501484105).

The spelling of 100143104 in words is "one hundred million, one hundred forty-three thousand, one hundred four".