142303224143669 has 2 divisors, whose sum is σ = 142303224143670. Its totient is φ = 142303224143668.

The previous prime is 142303224143657. The next prime is 142303224143699. The reversal of 142303224143669 is 966341422303241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141568710010225 + 734514133444 = 11898265^2 + 857038^2 .

It is a cyclic number.

It is not a de Polignac number, because 142303224143669 - 2⁴⁴ = 124711038099253 is a prime.

It is a super-2 number, since 2×142303224143669² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142303224143699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71151612071834 + 71151612071835.

It is an arithmetic number, because the mean of its divisors is an integer number (71151612071835).

Almost surely, 2^{142303224143669} is an apocalyptic number.

It is an amenable number.

142303224143669 is a deficient number, since it is larger than the sum of its proper divisors (1).

142303224143669 is an equidigital number, since it uses as much as digits as its factorization.

142303224143669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4478976, while the sum is 50.

The spelling of 142303224143669 in words is "one hundred forty-two trillion, three hundred three billion, two hundred twenty-four million, one hundred forty-three thousand, six hundred sixty-nine".