142564524161 has 2 divisors, whose sum is σ = 142564524162. Its totient is φ = 142564524160.

The previous prime is 142564524131. The next prime is 142564524239. The reversal of 142564524161 is 161425465241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71944650625 + 70619873536 = 268225^2 + 265744^2 .

It is a cyclic number.

It is not a de Polignac number, because 142564524161 - 2⁶ = 142564524097 is a prime.

It is not a weakly prime, because it can be changed into another prime (142564524101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71282262080 + 71282262081.

It is an arithmetic number, because the mean of its divisors is an integer number (71282262081).

Almost surely, 2^142564524161 is an apocalyptic number.

It is an amenable number.

142564524161 is a deficient number, since it is larger than the sum of its proper divisors (1).

142564524161 is an equidigital number, since it uses as much as digits as its factorization.

142564524161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 230400, while the sum is 41.

The spelling of 142564524161 in words is "one hundred forty-two billion, five hundred sixty-four million, five hundred twenty-four thousand, one hundred sixty-one".