141824321 has 2 divisors, whose sum is σ = 141824322. Its totient is φ = 141824320.

The previous prime is 141824317. The next prime is 141824339. The reversal of 141824321 is 123428141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73530625 + 68293696 = 8575^2 + 8264^2 .

It is an emirp because it is prime and its reverse (123428141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 141824321 - 2² = 141824317 is a prime.

It is a super-2 number, since 2×141824321² = 40228276054222082, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (141824021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70912160 + 70912161.

It is an arithmetic number, because the mean of its divisors is an integer number (70912161).

Almost surely, 2^141824321 is an apocalyptic number.

It is an amenable number.

141824321 is a deficient number, since it is larger than the sum of its proper divisors (1).

141824321 is an equidigital number, since it uses as much as digits as its factorization.

141824321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1536, while the sum is 26.

The square root of 141824321 is about 11909.0016794020. The cubic root of 141824321 is about 521.4951066585.

The spelling of 141824321 in words is "one hundred forty-one million, eight hundred twenty-four thousand, three hundred twenty-one".