143221410400 has 72 divisors (see below), whose sum is σ = 350939569680. Its totient is φ = 57075509760.

The previous prime is 143221410341. The next prime is 143221410403. The reversal of 143221410400 is 4014122341.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143221410403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117564 + ... + 547963.

It is an arithmetic number, because the mean of its divisors is an integer number (4874160690).

Almost surely, 2^143221410400 is an apocalyptic number.

143221410400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143221410400 is an abundant number, since it is smaller than the sum of its proper divisors (207718159280).

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

143221410400 is a wasteful number, since it uses less digits than its factorization.

143221410400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665816 (or 665803 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 143221410400 its reverse (4014122341), we get a palindrome (147235532741).

The spelling of 143221410400 in words is "one hundred forty-three billion, two hundred twenty-one million, four hundred ten thousand, four hundred".