141443321 has 4 divisors (see below), whose sum is σ = 142475892. Its totient is φ = 140410752.

The previous prime is 141443311. The next prime is 141443327. The reversal of 141443321 is 123344141.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 88153321 + 53290000 = 9389^2 + 7300^2 .

It is not a de Polignac number, because 141443321 - 2¹⁰ = 141442297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141443327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 516080 + ... + 516353.

It is an arithmetic number, because the mean of its divisors is an integer number (35618973).

Almost surely, 2^141443321 is an apocalyptic number.

It is an amenable number.

141443321 is a deficient number, since it is larger than the sum of its proper divisors (1032571).

141443321 is a wasteful number, since it uses less digits than its factorization.

141443321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032570.

The product of its digits is 1152, while the sum is 23.

The square root of 141443321 is about 11892.9946186820. The cubic root of 141443321 is about 521.0277025216.

Adding to 141443321 its reverse (123344141), we get a palindrome (264787462).

The spelling of 141443321 in words is "one hundred forty-one million, four hundred forty-three thousand, three hundred twenty-one".