141454232420021 has 2 divisors, whose sum is σ = 141454232420022. Its totient is φ = 141454232420020.

The previous prime is 141454232419883. The next prime is 141454232420041. The reversal of 141454232420021 is 120024232454141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139031807880625 + 2422424539396 = 11791175^2 + 1556414^2 .

It is an emirp because it is prime and its reverse (120024232454141) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141454232420021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141454232420041) 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 as a sum of consecutive naturals, namely, 70727116210010 + 70727116210011.

It is an arithmetic number, because the mean of its divisors is an integer number (70727116210011).

Almost surely, 2^{141454232420021} is an apocalyptic number.

It is an amenable number.

141454232420021 is a deficient number, since it is larger than the sum of its proper divisors (1).

141454232420021 is an equidigital number, since it uses as much as digits as its factorization.

141454232420021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61440, while the sum is 35.

Adding to 141454232420021 its reverse (120024232454141), we get a palindrome (261478464874162).

The spelling of 141454232420021 in words is "one hundred forty-one trillion, four hundred fifty-four billion, two hundred thirty-two million, four hundred twenty thousand, twenty-one".