245555015143 has 2 divisors, whose sum is σ = 245555015144. Its totient is φ = 245555015142.

The previous prime is 245555015141. The next prime is 245555015159. The reversal of 245555015143 is 341510555542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245555015143 - 2¹ = 245555015141 is a prime.

Together with 245555015141, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 245555015096 and 245555015105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245555015141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122777507571 + 122777507572.

It is an arithmetic number, because the mean of its divisors is an integer number (122777507572).

Almost surely, 2^245555015143 is an apocalyptic number.

245555015143 is a deficient number, since it is larger than the sum of its proper divisors (1).

245555015143 is an equidigital number, since it uses as much as digits as its factorization.

245555015143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 300000, while the sum is 40.

The spelling of 245555015143 in words is "two hundred forty-five billion, five hundred fifty-five million, fifteen thousand, one hundred forty-three".