143421402024 has 96 divisors (see below), whose sum is σ = 397837440000. Its totient is φ = 46655508096.

The previous prime is 143421401999. The next prime is 143421402067. The reversal of 143421402024 is 420204124341.

143421402024 is a `hidden beast` number, since 1 + 434 + 21 + 4 + 0 + 202 + 4 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1120297 + ... + 1241735.

It is an arithmetic number, because the mean of its divisors is an integer number (4144140000).

Almost surely, 2^143421402024 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 143421402024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198918720000).

143421402024 is an abundant number, since it is smaller than the sum of its proper divisors (254416037976).

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

143421402024 is a wasteful number, since it uses less digits than its factorization.

143421402024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121847 (or 121840 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 143421402024 its reverse (420204124341), we get a palindrome (563625526365).

The spelling of 143421402024 in words is "one hundred forty-three billion, four hundred twenty-one million, four hundred two thousand, twenty-four".