455547481 has 2 divisors, whose sum is σ = 455547482. Its totient is φ = 455547480.

The previous prime is 455547413. The next prime is 455547493. The reversal of 455547481 is 184745554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 354041856 + 101505625 = 18816^2 + 10075^2 .

It is a cyclic number.

It is not a de Polignac number, because 455547481 - 2⁷ = 455547353 is a prime.

It is a super-2 number, since 2×455547481² = 415047014890890722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (455517481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227773740 + 227773741.

It is an arithmetic number, because the mean of its divisors is an integer number (227773741).

Almost surely, 2^455547481 is an apocalyptic number.

It is an amenable number.

455547481 is a deficient number, since it is larger than the sum of its proper divisors (1).

455547481 is an equidigital number, since it uses as much as digits as its factorization.

455547481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 448000, while the sum is 43.

The square root of 455547481 is about 21343.5583022138. The cubic root of 455547481 is about 769.4455338173.

It can be divided in two parts, 45554 and 7481, that added together give a palindrome (53035).

The spelling of 455547481 in words is "four hundred fifty-five million, five hundred forty-seven thousand, four hundred eighty-one".