455461549 has 2 divisors, whose sum is σ = 455461550. Its totient is φ = 455461548.

The previous prime is 455461543. The next prime is 455461613. The reversal of 455461549 is 945164554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 255040900 + 200420649 = 15970^2 + 14157^2 .

It is a cyclic number.

It is not a de Polignac number, because 455461549 - 2²⁷ = 321243821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455461543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227730774 + 227730775.

It is an arithmetic number, because the mean of its divisors is an integer number (227730775).

Almost surely, 2^455461549 is an apocalyptic number.

It is an amenable number.

455461549 is a deficient number, since it is larger than the sum of its proper divisors (1).

455461549 is an equidigital number, since it uses as much as digits as its factorization.

455461549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432000, while the sum is 43.

The square root of 455461549 is about 21341.5451408749. The cubic root of 455461549 is about 769.3971494342.

The spelling of 455461549 in words is "four hundred fifty-five million, four hundred sixty-one thousand, five hundred forty-nine".