145218076728787 has 2 divisors, whose sum is σ = 145218076728788. Its totient is φ = 145218076728786.

The previous prime is 145218076728763. The next prime is 145218076728811. The reversal of 145218076728787 is 787827670812541.

145218076728787 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (145218076728763) and next prime (145218076728811).

It is a cyclic number.

It is not a de Polignac number, because 145218076728787 - 2¹⁹ = 145218076204499 is a prime.

It is not a weakly prime, because it can be changed into another prime (145218076728187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72609038364393 + 72609038364394.

It is an arithmetic number, because the mean of its divisors is an integer number (72609038364394).

Almost surely, 2^{145218076728787} is an apocalyptic number.

145218076728787 is a deficient number, since it is larger than the sum of its proper divisors (1).

145218076728787 is an equidigital number, since it uses as much as digits as its factorization.

145218076728787 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 590069760, while the sum is 73.

The spelling of 145218076728787 in words is "one hundred forty-five trillion, two hundred eighteen billion, seventy-six million, seven hundred twenty-eight thousand, seven hundred eighty-seven".