142536545377 has 2 divisors, whose sum is σ = 142536545378. Its totient is φ = 142536545376.

The previous prime is 142536545351. The next prime is 142536545401. The reversal of 142536545377 is 773545635241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82428706816 + 60107838561 = 287104^2 + 245169^2 .

It is an emirp because it is prime and its reverse (773545635241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142536545377 - 2¹¹ = 142536543329 is a prime.

It is not a weakly prime, because it can be changed into another prime (142536543377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71268272688 + 71268272689.

It is an arithmetic number, because the mean of its divisors is an integer number (71268272689).

Almost surely, 2^142536545377 is an apocalyptic number.

It is an amenable number.

142536545377 is a deficient number, since it is larger than the sum of its proper divisors (1).

142536545377 is an equidigital number, since it uses as much as digits as its factorization.

142536545377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10584000, while the sum is 52.

The spelling of 142536545377 in words is "one hundred forty-two billion, five hundred thirty-six million, five hundred forty-five thousand, three hundred seventy-seven".