142326143451643 has 2 divisors, whose sum is σ = 142326143451644. Its totient is φ = 142326143451642.

The previous prime is 142326143451463. The next prime is 142326143451731. The reversal of 142326143451643 is 346154341623241.

Together with previous prime (142326143451463) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142326143451643 is a prime.

It is a super-2 number, since 2×142326143451643² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (142326143452643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71163071725821 + 71163071725822.

It is an arithmetic number, because the mean of its divisors is an integer number (71163071725822).

Almost surely, 2^{142326143451643} is an apocalyptic number.

142326143451643 is a deficient number, since it is larger than the sum of its proper divisors (1).

142326143451643 is an equidigital number, since it uses as much as digits as its factorization.

142326143451643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4976640, while the sum is 49.

The spelling of 142326143451643 in words is "one hundred forty-two trillion, three hundred twenty-six billion, one hundred forty-three million, four hundred fifty-one thousand, six hundred forty-three".