1451455162481 has 2 divisors, whose sum is σ = 1451455162482. Its totient is φ = 1451455162480.

The previous prime is 1451455162369. The next prime is 1451455162499. The reversal of 1451455162481 is 1842615541541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1363102950400 + 88352212081 = 1167520^2 + 297241^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1451455162481 is a prime.

It is a super-2 number, since 2×1451455162481² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1451455162681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 725727581240 + 725727581241.

It is an arithmetic number, because the mean of its divisors is an integer number (725727581241).

Almost surely, 2^{1451455162481} is an apocalyptic number.

It is an amenable number.

1451455162481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1451455162481 is an equidigital number, since it uses as much as digits as its factorization.

1451455162481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 768000, while the sum is 47.

The spelling of 1451455162481 in words is "one trillion, four hundred fifty-one billion, four hundred fifty-five million, one hundred sixty-two thousand, four hundred eighty-one".