142443145403287 has 2 divisors, whose sum is σ = 142443145403288. Its totient is φ = 142443145403286.

The previous prime is 142443145403243. The next prime is 142443145403381. The reversal of 142443145403287 is 782304541344241.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142443145403287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142443145403387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71221572701643 + 71221572701644.

It is an arithmetic number, because the mean of its divisors is an integer number (71221572701644).

Almost surely, 2^{142443145403287} is an apocalyptic number.

142443145403287 is a deficient number, since it is larger than the sum of its proper divisors (1).

142443145403287 is an equidigital number, since it uses as much as digits as its factorization.

142443145403287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10321920, while the sum is 52.

The spelling of 142443145403287 in words is "one hundred forty-two trillion, four hundred forty-three billion, one hundred forty-five million, four hundred three thousand, two hundred eighty-seven".