143221014242400 has 144 divisors (see below), whose sum is σ = 466232208228864. Its totient is φ = 38188353876480.

The previous prime is 143221014242389. The next prime is 143221014242401. The reversal of 143221014242400 is 4242410122341.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143221014242401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20385849 + ... + 26495751.

It is an arithmetic number, because the mean of its divisors is an integer number (3237723668256).

Almost surely, 2^{143221014242400} is an apocalyptic number.

143221014242400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143221014242400 is an abundant number, since it is smaller than the sum of its proper divisors (323011193986464).

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

143221014242400 is a wasteful number, since it uses less digits than its factorization.

143221014242400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6119693 (or 6119680 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 143221014242400 its reverse (4242410122341), we get a palindrome (147463424364741).

The spelling of 143221014242400 in words is "one hundred forty-three trillion, two hundred twenty-one billion, fourteen million, two hundred forty-two thousand, four hundred".