143221054242400 has 144 divisors (see below), whose sum is σ = 352490340299328. Its totient is φ = 56821583936000.

The previous prime is 143221054242391. The next prime is 143221054242401. The reversal of 143221054242400 is 4242450122341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143221054242401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 202014939 + ... + 202722661.

It is an arithmetic number, because the mean of its divisors is an integer number (2447849585412).

Almost surely, 2^{143221054242400} is an apocalyptic number.

143221054242400 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 143221054242400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176245170149664).

143221054242400 is an abundant number, since it is smaller than the sum of its proper divisors (209269286056928).

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

143221054242400 is a wasteful number, since it uses less digits than its factorization.

143221054242400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709805 (or 709792 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 34.

The spelling of 143221054242400 in words is "one hundred forty-three trillion, two hundred twenty-one billion, fifty-four million, two hundred forty-two thousand, four hundred".