455461543 has 2 divisors, whose sum is σ = 455461544. Its totient is φ = 455461542.

The previous prime is 455461493. The next prime is 455461549. The reversal of 455461543 is 345164554.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 455461543 - 2²⁵ = 421907111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455461549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227730771 + 227730772.

It is an arithmetic number, because the mean of its divisors is an integer number (227730772).

Almost surely, 2^455461543 is an apocalyptic number.

455461543 is a deficient number, since it is larger than the sum of its proper divisors (1).

455461543 is an equidigital number, since it uses as much as digits as its factorization.

455461543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144000, while the sum is 37.

The square root of 455461543 is about 21341.5450003040. The cubic root of 455461543 is about 769.3971460556.

It can be divided in two parts, 45546 and 1543, that added together give a square (47089 = 217²).

The spelling of 455461543 in words is "four hundred fifty-five million, four hundred sixty-one thousand, five hundred forty-three".