245322712543 has 4 divisors (see below), whose sum is σ = 249480724680. Its totient is φ = 241164700408.

The previous prime is 245322712501. The next prime is 245322712553. The reversal of 245322712543 is 345217223542.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 245322712543 - 2²¹ = 245320615391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245322712496 and 245322712505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245322712553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2079005980 + ... + 2079006097.

It is an arithmetic number, because the mean of its divisors is an integer number (62370181170).

Almost surely, 2^245322712543 is an apocalyptic number.

245322712543 is a deficient number, since it is larger than the sum of its proper divisors (4158012137).

245322712543 is an equidigital number, since it uses as much as digits as its factorization.

245322712543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4158012136.

The product of its digits is 403200, while the sum is 40.

The spelling of 245322712543 in words is "two hundred forty-five billion, three hundred twenty-two million, seven hundred twelve thousand, five hundred forty-three".