141424321 has 4 divisors (see below), whose sum is σ = 141448132. Its totient is φ = 141400512.

The previous prime is 141424319. The next prime is 141424379. The reversal of 141424321 is 123424141.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 79014321 + 62410000 = 8889^2 + 7900^2 .

It is a cyclic number.

It is not a de Polignac number, because 141424321 - 2¹ = 141424319 is a prime.

It is a super-2 number, since 2×141424321² = 40001677140622082, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 141424292 and 141424301.

It is not an unprimeable number, because it can be changed into a prime (141824321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5125 + ... + 17581.

It is an arithmetic number, because the mean of its divisors is an integer number (35362033).

Almost surely, 2^141424321 is an apocalyptic number.

It is an amenable number.

141424321 is a deficient number, since it is larger than the sum of its proper divisors (23811).

141424321 is a wasteful number, since it uses less digits than its factorization.

141424321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23810.

The product of its digits is 768, while the sum is 22.

The square root of 141424321 is about 11892.1958022898. The cubic root of 141424321 is about 521.0043716930.

Adding to 141424321 its reverse (123424141), we get a palindrome (264848462).

The spelling of 141424321 in words is "one hundred forty-one million, four hundred twenty-four thousand, three hundred twenty-one".