142660624049 has 2 divisors, whose sum is σ = 142660624050. Its totient is φ = 142660624048.

The previous prime is 142660624037. The next prime is 142660624153. The reversal of 142660624049 is 940426066241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142230808225 + 429815824 = 377135^2 + 20732^2 .

It is an emirp because it is prime and its reverse (940426066241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142660624049 is a prime.

It is not a weakly prime, because it can be changed into another prime (142666624049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71330312024 + 71330312025.

It is an arithmetic number, because the mean of its divisors is an integer number (71330312025).

Almost surely, 2^142660624049 is an apocalyptic number.

It is an amenable number.

142660624049 is a deficient number, since it is larger than the sum of its proper divisors (1).

142660624049 is an equidigital number, since it uses as much as digits as its factorization.

142660624049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 497664, while the sum is 44.

The spelling of 142660624049 in words is "one hundred forty-two billion, six hundred sixty million, six hundred twenty-four thousand, forty-nine".