143421421441 has 8 divisors (see below), whose sum is σ = 144842521824. Its totient is φ = 142005264960.

The previous prime is 143421421427. The next prime is 143421421457. The reversal of 143421421441 is 144124124341.

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 143421421441 - 2¹⁹ = 143420897153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143421421411) 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, 1177656 + ... + 1293721.

It is an arithmetic number, because the mean of its divisors is an integer number (18105315228).

Almost surely, 2^143421421441 is an apocalyptic number.

It is an amenable number.

143421421441 is a deficient number, since it is larger than the sum of its proper divisors (1421100383).

143421421441 is a wasteful number, since it uses less digits than its factorization.

143421421441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2471951.

The product of its digits is 12288, while the sum is 31.

Adding to 143421421441 its reverse (144124124341), we get a palindrome (287545545782).

The spelling of 143421421441 in words is "one hundred forty-three billion, four hundred twenty-one million, four hundred twenty-one thousand, four hundred forty-one".