141254451421 has 2 divisors, whose sum is σ = 141254451422. Its totient is φ = 141254451420.

The previous prime is 141254451419. The next prime is 141254451461. The reversal of 141254451421 is 124154452141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141191820025 + 62631396 = 375755^2 + 7914^2 .

It is an emirp because it is prime and its reverse (124154452141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 141254451421 - 2¹ = 141254451419 is a prime.

Together with 141254451419, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141254451461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70627225710 + 70627225711.

It is an arithmetic number, because the mean of its divisors is an integer number (70627225711).

Almost surely, 2^141254451421 is an apocalyptic number.

It is an amenable number.

141254451421 is a deficient number, since it is larger than the sum of its proper divisors (1).

141254451421 is an equidigital number, since it uses as much as digits as its factorization.

141254451421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25600, while the sum is 34.

The spelling of 141254451421 in words is "one hundred forty-one billion, two hundred fifty-four million, four hundred fifty-one thousand, four hundred twenty-one".