2243512045345 has 32 divisors (see below), whose sum is σ = 2928010701600. Its totient is φ = 1643359850496.

The previous prime is 2243512045321. The next prime is 2243512045421. The reversal of 2243512045345 is 5435402153422.

It can be written as a sum of positive squares in 16 ways, for example, as 2107819921 + 2241404225424 = 45911^2 + 1497132^2 .

It is a cyclic number.

It is not a de Polignac number, because 2243512045345 - 2³³ = 2234922110753 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2243512045298 and 2243512045307.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25962871 + ... + 26049139.

It is an arithmetic number, because the mean of its divisors is an integer number (91500334425).

Almost surely, 2^{2243512045345} is an apocalyptic number.

It is an amenable number.

2243512045345 is a deficient number, since it is larger than the sum of its proper divisors (684498656255).

2243512045345 is a wasteful number, since it uses less digits than its factorization.

2243512045345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94597.

The product of its (nonzero) digits is 576000, while the sum is 40.

Adding to 2243512045345 its reverse (5435402153422), we get a palindrome (7678914198767).

The spelling of 2243512045345 in words is "two trillion, two hundred forty-three billion, five hundred twelve million, forty-five thousand, three hundred forty-five".