2265143304544 has 24 divisors (see below), whose sum is σ = 4580027934048. Its totient is φ = 1101961607040.

The previous prime is 2265143304439. The next prime is 2265143304547. The reversal of 2265143304544 is 4454033415622.

It is a self number, because there is not a number n which added to its sum of digits gives 2265143304544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2265143304547) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 956562712 + ... + 956565079.

It is an arithmetic number, because the mean of its divisors is an integer number (190834497252).

Almost surely, 2^{2265143304544} is an apocalyptic number.

It is an amenable number.

2265143304544 is an abundant number, since it is smaller than the sum of its proper divisors (2314884629504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2265143304544 is a wasteful number, since it uses less digits than its factorization.

2265143304544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1913127838 (or 1913127830 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 43.

The spelling of 2265143304544 in words is "two trillion, two hundred sixty-five billion, one hundred forty-three million, three hundred four thousand, five hundred forty-four".