13455617143 has 2 divisors, whose sum is σ = 13455617144. Its totient is φ = 13455617142.

The previous prime is 13455617137. The next prime is 13455617167. The reversal of 13455617143 is 34171655431.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13455617143 - 2²¹ = 13453519991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13455617096 and 13455617105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13455617443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6727808571 + 6727808572.

It is an arithmetic number, because the mean of its divisors is an integer number (6727808572).

Almost surely, 2^13455617143 is an apocalyptic number.

13455617143 is a deficient number, since it is larger than the sum of its proper divisors (1).

13455617143 is an equidigital number, since it uses as much as digits as its factorization.

13455617143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 40.

The spelling of 13455617143 in words is "thirteen billion, four hundred fifty-five million, six hundred seventeen thousand, one hundred forty-three".