142164405255617 has 2 divisors, whose sum is σ = 142164405255618. Its totient is φ = 142164405255616.

The previous prime is 142164405255571. The next prime is 142164405255641. The reversal of 142164405255617 is 716552504461241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94265147032576 + 47899258223041 = 9709024^2 + 6920929^2 .

It is a cyclic number.

It is not a de Polignac number, because 142164405255617 - 2¹² = 142164405251521 is a prime.

It is a super-2 number, since 2×142164405255617² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (142164405255647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71082202627808 + 71082202627809.

It is an arithmetic number, because the mean of its divisors is an integer number (71082202627809).

Almost surely, 2^{142164405255617} is an apocalyptic number.

It is an amenable number.

142164405255617 is a deficient number, since it is larger than the sum of its proper divisors (1).

142164405255617 is an equidigital number, since it uses as much as digits as its factorization.

142164405255617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064000, while the sum is 53.

The spelling of 142164405255617 in words is "one hundred forty-two trillion, one hundred sixty-four billion, four hundred five million, two hundred fifty-five thousand, six hundred seventeen".