142426551539977 has 2 divisors, whose sum is σ = 142426551539978. Its totient is φ = 142426551539976.

The previous prime is 142426551539957. The next prime is 142426551540011. The reversal of 142426551539977 is 779935155624241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73548187648576 + 68878363891401 = 8576024^2 + 8299299^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142426551539977 is a prime.

It is not a weakly prime, because it can be changed into another prime (142426551539957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71213275769988 + 71213275769989.

It is an arithmetic number, because the mean of its divisors is an integer number (71213275769989).

Almost surely, 2^{142426551539977} is an apocalyptic number.

It is an amenable number.

142426551539977 is a deficient number, since it is larger than the sum of its proper divisors (1).

142426551539977 is an equidigital number, since it uses as much as digits as its factorization.

142426551539977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 571536000, while the sum is 70.

The spelling of 142426551539977 in words is "one hundred forty-two trillion, four hundred twenty-six billion, five hundred fifty-one million, five hundred thirty-nine thousand, nine hundred seventy-seven".