145662301709 has 2 divisors, whose sum is σ = 145662301710. Its totient is φ = 145662301708.

The previous prime is 145662301699. The next prime is 145662301711. The reversal of 145662301709 is 907103266541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144860166025 + 802135684 = 380605^2 + 28322^2 .

It is an emirp because it is prime and its reverse (907103266541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145662301709 - 2¹⁶ = 145662236173 is a prime.

It is a super-2 number, since 2×145662301709² (a number of 23 digits) contains 22 as substring.

Together with 145662301711, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145662301709.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145662301769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72831150854 + 72831150855.

It is an arithmetic number, because the mean of its divisors is an integer number (72831150855).

Almost surely, 2^145662301709 is an apocalyptic number.

It is an amenable number.

145662301709 is a deficient number, since it is larger than the sum of its proper divisors (1).

145662301709 is an equidigital number, since it uses as much as digits as its factorization.

145662301709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 145662301709 in words is "one hundred forty-five billion, six hundred sixty-two million, three hundred one thousand, seven hundred nine".