100143522400 has 72 divisors (see below), whose sum is σ = 244678636440. Its totient is φ = 40024104960.

The previous prime is 100143522397. The next prime is 100143522431. The reversal of 100143522400 is 4225341001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 922171 + ... + 1025029.

It is an arithmetic number, because the mean of its divisors is an integer number (3398314395).

Almost surely, 2^100143522400 is an apocalyptic number.

100143522400 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 100143522400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122339318220).

100143522400 is an abundant number, since it is smaller than the sum of its proper divisors (144535114040).

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

100143522400 is a wasteful number, since it uses less digits than its factorization.

100143522400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104096 (or 104083 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 100143522400 its reverse (4225341001), we get a palindrome (104368863401).

The spelling of 100143522400 in words is "one hundred billion, one hundred forty-three million, five hundred twenty-two thousand, four hundred".