142101822481 has 2 divisors, whose sum is σ = 142101822482. Its totient is φ = 142101822480.

The previous prime is 142101822479. The next prime is 142101822523. The reversal of 142101822481 is 184228101241.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93320474256 + 48781348225 = 305484^2 + 220865^2 .

It is a cyclic number.

It is not a de Polignac number, because 142101822481 - 2¹ = 142101822479 is a prime.

It is a super-2 number, since 2×142101822481² (a number of 23 digits) contains 22 as substring.

Together with 142101822479, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (142101822431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71050911240 + 71050911241.

It is an arithmetic number, because the mean of its divisors is an integer number (71050911241).

Almost surely, 2^142101822481 is an apocalyptic number.

It is an amenable number.

142101822481 is a deficient number, since it is larger than the sum of its proper divisors (1).

142101822481 is an equidigital number, since it uses as much as digits as its factorization.

142101822481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8192, while the sum is 34.

The spelling of 142101822481 in words is "one hundred forty-two billion, one hundred one million, eight hundred twenty-two thousand, four hundred eighty-one".