455772543 has 4 divisors (see below), whose sum is σ = 607696728. Its totient is φ = 303848360.

The previous prime is 455772539. The next prime is 455772553. The reversal of 455772543 is 345277554.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 455772543 - 2² = 455772539 is a prime.

It is a super-2 number, since 2×455772543² = 415457221905373698, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 455772495 and 455772504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455772503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75962088 + ... + 75962093.

It is an arithmetic number, because the mean of its divisors is an integer number (151924182).

Almost surely, 2^455772543 is an apocalyptic number.

455772543 is a deficient number, since it is larger than the sum of its proper divisors (151924185).

455772543 is a wasteful number, since it uses less digits than its factorization.

455772543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151924184.

The product of its digits is 588000, while the sum is 42.

The square root of 455772543 is about 21348.8300147807. The cubic root of 455772543 is about 769.5722271166.

The spelling of 455772543 in words is "four hundred fifty-five million, seven hundred seventy-two thousand, five hundred forty-three".