142605633077 has 2 divisors, whose sum is σ = 142605633078. Its totient is φ = 142605633076.

The previous prime is 142605633073. The next prime is 142605633113. The reversal of 142605633077 is 770336506241.

142605633077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139835610916 + 2770022161 = 373946^2 + 52631^2 .

It is an emirp because it is prime and its reverse (770336506241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142605633077 - 2² = 142605633073 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142605633073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71302816538 + 71302816539.

It is an arithmetic number, because the mean of its divisors is an integer number (71302816539).

Almost surely, 2^142605633077 is an apocalyptic number.

It is an amenable number.

142605633077 is a deficient number, since it is larger than the sum of its proper divisors (1).

142605633077 is an equidigital number, since it uses as much as digits as its factorization.

142605633077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 635040, while the sum is 44.

The spelling of 142605633077 in words is "one hundred forty-two billion, six hundred five million, six hundred thirty-three thousand, seventy-seven".