2245157538643 has 8 divisors (see below), whose sum is σ = 2248927275248. Its totient is φ = 2241389090304.

The previous prime is 2245157538623. The next prime is 2245157538691. The reversal of 2245157538643 is 3468357515422.

2245157538643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2245157538643 - 2²¹ = 2245155441491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2245157538623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3198655 + ... + 3836887.

It is an arithmetic number, because the mean of its divisors is an integer number (281115909406).

Almost surely, 2^{2245157538643} is an apocalyptic number.

2245157538643 is a deficient number, since it is larger than the sum of its proper divisors (3769736605).

2245157538643 is an equidigital number, since it uses as much as digits as its factorization.

2245157538643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644133.

The product of its digits is 24192000, while the sum is 55.

The spelling of 2245157538643 in words is "two trillion, two hundred forty-five billion, one hundred fifty-seven million, five hundred thirty-eight thousand, six hundred forty-three".