2545453305 has 24 divisors (see below), whose sum is σ = 4474267200. Its totient is φ = 1338452640.

The previous prime is 2545453303. The next prime is 2545453331. The reversal of 2545453305 is 5033545452.

2545453305 is a `hidden beast` number, since 254 + 54 + 53 + 305 = 666.

It is not a de Polignac number, because 2545453305 - 2¹ = 2545453303 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2545453305.

It is not an unprimeable number, because it can be changed into a prime (2545453301) 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 23 ways as a sum of consecutive naturals, for example, 395155 + ... + 401544.

It is an arithmetic number, because the mean of its divisors is an integer number (186427800).

Almost surely, 2^2545453305 is an apocalyptic number.

It is an amenable number.

2545453305 is a deficient number, since it is larger than the sum of its proper divisors (1928813895).

2545453305 is a wasteful number, since it uses less digits than its factorization.

2545453305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796781 (or 796778 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 36.

The square root of 2545453305 is about 50452.4856176581. The cubic root of 2545453305 is about 1365.3847403972.

Adding to 2545453305 its reverse (5033545452), we get a palindrome (7578998757).

The spelling of 2545453305 in words is "two billion, five hundred forty-five million, four hundred fifty-three thousand, three hundred five".