2543145455 has 8 divisors (see below), whose sum is σ = 3052406112. Its totient is φ = 2034095328.

The previous prime is 2543145439. The next prime is 2543145469. The reversal of 2543145455 is 5545413452.

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 2543145455 - 2⁴ = 2543145439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24707 + ... + 75476.

It is an arithmetic number, because the mean of its divisors is an integer number (381550764).

Almost surely, 2^2543145455 is an apocalyptic number.

2543145455 is a deficient number, since it is larger than the sum of its proper divisors (509260657).

2543145455 is a wasteful number, since it uses less digits than its factorization.

2543145455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105265.

The product of its digits is 240000, while the sum is 38.

The square root of 2543145455 is about 50429.6089118288. The cubic root of 2543145455 is about 1364.9719709613.

The spelling of 2543145455 in words is "two billion, five hundred forty-three million, one hundred forty-five thousand, four hundred fifty-five".