245173563143 has 2 divisors, whose sum is σ = 245173563144. Its totient is φ = 245173563142.

The previous prime is 245173563097. The next prime is 245173563163. The reversal of 245173563143 is 341365371542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245173563143 - 2¹⁰ = 245173562119 is a prime.

It is a super-2 number, since 2×245173563143² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 245173563094 and 245173563103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245173563163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122586781571 + 122586781572.

It is an arithmetic number, because the mean of its divisors is an integer number (122586781572).

Almost surely, 2^245173563143 is an apocalyptic number.

245173563143 is a deficient number, since it is larger than the sum of its proper divisors (1).

245173563143 is an equidigital number, since it uses as much as digits as its factorization.

245173563143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 907200, while the sum is 44.

The spelling of 245173563143 in words is "two hundred forty-five billion, one hundred seventy-three million, five hundred sixty-three thousand, one hundred forty-three".