142005350161 has 2 divisors, whose sum is σ = 142005350162. Its totient is φ = 142005350160.

The previous prime is 142005350159. The next prime is 142005350167. The reversal of 142005350161 is 161053500241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85483140625 + 56522209536 = 292375^2 + 237744^2 .

It is a cyclic number.

It is not a de Polignac number, because 142005350161 - 2¹ = 142005350159 is a prime.

Together with 142005350159, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (142005350167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71002675080 + 71002675081.

It is an arithmetic number, because the mean of its divisors is an integer number (71002675081).

Almost surely, 2^142005350161 is an apocalyptic number.

It is an amenable number.

142005350161 is a deficient number, since it is larger than the sum of its proper divisors (1).

142005350161 is an equidigital number, since it uses as much as digits as its factorization.

142005350161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 28.

The spelling of 142005350161 in words is "one hundred forty-two billion, five million, three hundred fifty thousand, one hundred sixty-one".