145423452320387 has 2 divisors, whose sum is σ = 145423452320388. Its totient is φ = 145423452320386.

The previous prime is 145423452320353. The next prime is 145423452320417. The reversal of 145423452320387 is 783023254324541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145423452320387 - 2⁶ = 145423452320323 is a prime.

It is a super-2 number, since 2×145423452320387² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145423452320687) 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, 72711726160193 + 72711726160194.

It is an arithmetic number, because the mean of its divisors is an integer number (72711726160194).

Almost surely, 2^{145423452320387} is an apocalyptic number.

145423452320387 is a deficient number, since it is larger than the sum of its proper divisors (1).

145423452320387 is an equidigital number, since it uses as much as digits as its factorization.

145423452320387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19353600, while the sum is 53.

The spelling of 145423452320387 in words is "one hundred forty-five trillion, four hundred twenty-three billion, four hundred fifty-two million, three hundred twenty thousand, three hundred eighty-seven".