141444443421 has 36 divisors (see below), whose sum is σ = 209585742912. Its totient is φ = 91879275024.

The previous prime is 141444443417. The next prime is 141444443431. The reversal of 141444443421 is 124344444141.

141444443421 is a `hidden beast` number, since 14 + 144 + 44 + 43 + 421 = 666.

It is not a de Polignac number, because 141444443421 - 2² = 141444443417 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141444443431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 130123140 + ... + 130124226.

It is an arithmetic number, because the mean of its divisors is an integer number (5821826192).

Almost surely, 2^141444443421 is an apocalyptic number.

It is an amenable number.

141444443421 is a deficient number, since it is larger than the sum of its proper divisors (68141299491).

141444443421 is an equidigital number, since it uses as much as digits as its factorization.

141444443421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2510 (or 1420 counting only the distinct ones).

The product of its digits is 98304, while the sum is 36.

Adding to 141444443421 its reverse (124344444141), we get a palindrome (265788887562).

The spelling of 141444443421 in words is "one hundred forty-one billion, four hundred forty-four million, four hundred forty-three thousand, four hundred twenty-one".