145009375771847 has 2 divisors, whose sum is σ = 145009375771848. Its totient is φ = 145009375771846.

The previous prime is 145009375771811. The next prime is 145009375771853. The reversal of 145009375771847 is 748177573900541.

It is a strong prime.

It is an emirp because it is prime and its reverse (748177573900541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145009375771847 - 2⁶ = 145009375771783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145009375771867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72504687885923 + 72504687885924.

It is an arithmetic number, because the mean of its divisors is an integer number (72504687885924).

Almost surely, 2^{145009375771847} is an apocalyptic number.

145009375771847 is a deficient number, since it is larger than the sum of its proper divisors (1).

145009375771847 is an equidigital number, since it uses as much as digits as its factorization.

145009375771847 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207446400, while the sum is 68.

The spelling of 145009375771847 in words is "one hundred forty-five trillion, nine billion, three hundred seventy-five million, seven hundred seventy-one thousand, eight hundred forty-seven".