143224442021 has 8 divisors (see below), whose sum is σ = 149625848064. Its totient is φ = 136934364960.

The previous prime is 143224442017. The next prime is 143224442029. The reversal of 143224442021 is 120244422341.

It is a happy number.

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 143224442021 - 2² = 143224442017 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 (143224442029) 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, 27829616 + ... + 27834761.

It is an arithmetic number, because the mean of its divisors is an integer number (18703231008).

Almost surely, 2^143224442021 is an apocalyptic number.

It is an amenable number.

143224442021 is a deficient number, since it is larger than the sum of its proper divisors (6401406043).

143224442021 is an equidigital number, since it uses as much as digits as its factorization.

143224442021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55664491.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 143224442021 its reverse (120244422341), we get a palindrome (263468864362).

The spelling of 143224442021 in words is "one hundred forty-three billion, two hundred twenty-four million, four hundred forty-two thousand, twenty-one".