43454452143143 has 2 divisors, whose sum is σ = 43454452143144. Its totient is φ = 43454452143142.

The previous prime is 43454452143131. The next prime is 43454452143169. The reversal of 43454452143143 is 34134125445434.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43454452143143 - 2³⁶ = 43385732666407 is a prime.

It is a super-2 number, since 2×43454452143143² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43454452143173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21727226071571 + 21727226071572.

It is an arithmetic number, because the mean of its divisors is an integer number (21727226071572).

Almost surely, 2^{43454452143143} is an apocalyptic number.

43454452143143 is a deficient number, since it is larger than the sum of its proper divisors (1).

43454452143143 is an equidigital number, since it uses as much as digits as its factorization.

43454452143143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5529600, while the sum is 47.

Adding to 43454452143143 its reverse (34134125445434), we get a palindrome (77588577588577).

The spelling of 43454452143143 in words is "forty-three trillion, four hundred fifty-four billion, four hundred fifty-two million, one hundred forty-three thousand, one hundred forty-three".