453506545 has 8 divisors (see below), whose sum is σ = 544386024. Its totient is φ = 362686464.

The previous prime is 453506527. The next prime is 453506551. The reversal of 453506545 is 545605354.

It can be written as a sum of positive squares in 4 ways, for example, as 20575296 + 432931249 = 4536^2 + 20807^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 453506545 - 2⁹ = 453506033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4167 + ... + 30403.

It is an arithmetic number, because the mean of its divisors is an integer number (68048253).

Almost surely, 2^453506545 is an apocalyptic number.

It is an amenable number.

453506545 is a deficient number, since it is larger than the sum of its proper divisors (90879479).

453506545 is a wasteful number, since it uses less digits than its factorization.

453506545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29699.

The product of its (nonzero) digits is 180000, while the sum is 37.

The square root of 453506545 is about 21295.6931091712. The cubic root of 453506545 is about 768.2947279406.

The spelling of 453506545 in words is "four hundred fifty-three million, five hundred six thousand, five hundred forty-five".