545453605 has 8 divisors (see below), whose sum is σ = 677115000. Its totient is φ = 421315776.

The previous prime is 545453569. The next prime is 545453611. The reversal of 545453605 is 506354545.

It can be written as a sum of positive squares in 4 ways, for example, as 49322529 + 496131076 = 7023^2 + 22274^2 .

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 545453605 - 2²¹ = 543356453 is a prime.

It is a congruent 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, 1880730 + ... + 1881019.

It is an arithmetic number, because the mean of its divisors is an integer number (84639375).

Almost surely, 2^545453605 is an apocalyptic number.

It is an amenable number.

545453605 is a deficient number, since it is larger than the sum of its proper divisors (131661395).

545453605 is a wasteful number, since it uses less digits than its factorization.

545453605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3761783.

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

The square root of 545453605 is about 23354.9481909081. The cubic root of 545453605 is about 817.0574710616.

The spelling of 545453605 in words is "five hundred forty-five million, four hundred fifty-three thousand, six hundred five".