143224440424021 has 8 divisors (see below), whose sum is σ = 156245543568000. Its totient is φ = 130203453858240.

The previous prime is 143224440424007. The next prime is 143224440424063. The reversal of 143224440424021 is 120424044422341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 143224440424021 - 2⁷ = 143224440423893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143224440424321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26565796 + ... + 31499053.

It is an arithmetic number, because the mean of its divisors is an integer number (19530692946000).

Almost surely, 2^{143224440424021} is an apocalyptic number.

143224440424021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

143224440424021 is a deficient number, since it is larger than the sum of its proper divisors (13021103143979).

143224440424021 is a wasteful number, since it uses less digits than its factorization.

143224440424021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58289099.

The product of its (nonzero) digits is 196608, while the sum is 37.

Adding to 143224440424021 its reverse (120424044422341), we get a palindrome (263648484846362).

The spelling of 143224440424021 in words is "one hundred forty-three trillion, two hundred twenty-four billion, four hundred forty million, four hundred twenty-four thousand, twenty-one".