144730082381 has 2 divisors, whose sum is σ = 144730082382. Its totient is φ = 144730082380.

The previous prime is 144730082377. The next prime is 144730082407. The reversal of 144730082381 is 183280037441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142797073225 + 1933009156 = 377885^2 + 43966^2 .

It is a cyclic number.

It is not a de Polignac number, because 144730082381 - 2² = 144730082377 is a prime.

It is a super-2 number, since 2×144730082381² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144730082311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72365041190 + 72365041191.

It is an arithmetic number, because the mean of its divisors is an integer number (72365041191).

Almost surely, 2^144730082381 is an apocalyptic number.

It is an amenable number.

144730082381 is a deficient number, since it is larger than the sum of its proper divisors (1).

144730082381 is an equidigital number, since it uses as much as digits as its factorization.

144730082381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129024, while the sum is 41.

The spelling of 144730082381 in words is "one hundred forty-four billion, seven hundred thirty million, eighty-two thousand, three hundred eighty-one".