145515812895239 has 2 divisors, whose sum is σ = 145515812895240. Its totient is φ = 145515812895238.

The previous prime is 145515812895209. The next prime is 145515812895259. The reversal of 145515812895239 is 932598218515541.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145515812895239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145515812895209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72757906447619 + 72757906447620.

It is an arithmetic number, because the mean of its divisors is an integer number (72757906447620).

Almost surely, 2^{145515812895239} is an apocalyptic number.

145515812895239 is a deficient number, since it is larger than the sum of its proper divisors (1).

145515812895239 is an equidigital number, since it uses as much as digits as its factorization.

145515812895239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520000, while the sum is 68.

The spelling of 145515812895239 in words is "one hundred forty-five trillion, five hundred fifteen billion, eight hundred twelve million, eight hundred ninety-five thousand, two hundred thirty-nine".