245365143143 has 2 divisors, whose sum is σ = 245365143144. Its totient is φ = 245365143142.

The previous prime is 245365143139. The next prime is 245365143227. The reversal of 245365143143 is 341341563542.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245365143143 - 2² = 245365143139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 245365143143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245365145143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122682571571 + 122682571572.

It is an arithmetic number, because the mean of its divisors is an integer number (122682571572).

Almost surely, 2^245365143143 is an apocalyptic number.

245365143143 is a deficient number, since it is larger than the sum of its proper divisors (1).

245365143143 is an equidigital number, since it uses as much as digits as its factorization.

245365143143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 518400, while the sum is 41.

The spelling of 245365143143 in words is "two hundred forty-five billion, three hundred sixty-five million, one hundred forty-three thousand, one hundred forty-three".