453315545 has 4 divisors (see below), whose sum is σ = 543978660. Its totient is φ = 362652432.

The previous prime is 453315529. The next prime is 453315563. The reversal of 453315545 is 545513354.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 545513354 = 2 ⋅272756677.

It can be written as a sum of positive squares in 2 ways, for example, as 242020249 + 211295296 = 15557^2 + 14536^2 .

It is a cyclic number.

It is not a de Polignac number, because 453315545 - 2⁴ = 453315529 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45331550 + ... + 45331559.

It is an arithmetic number, because the mean of its divisors is an integer number (135994665).

Almost surely, 2^453315545 is an apocalyptic number.

It is an amenable number.

453315545 is a deficient number, since it is larger than the sum of its proper divisors (90663115).

453315545 is an equidigital number, since it uses as much as digits as its factorization.

453315545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90663114.

The product of its digits is 90000, while the sum is 35.

The square root of 453315545 is about 21291.2081620560. The cubic root of 453315545 is about 768.1868537908.

Adding to 453315545 its reverse (545513354), we get a palindrome (998828899).

The spelling of 453315545 in words is "four hundred fifty-three million, three hundred fifteen thousand, five hundred forty-five".