145123343014469 has 2 divisors, whose sum is σ = 145123343014470. Its totient is φ = 145123343014468.

The previous prime is 145123343014439. The next prime is 145123343014511. The reversal of 145123343014469 is 964410343321541.

145123343014469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142383076623844 + 2740266390625 = 11932438^2 + 1655375^2 .

It is a cyclic number.

It is not a de Polignac number, because 145123343014469 - 2⁴⁴ = 127531156970053 is a prime.

It is a super-2 number, since 2×145123343014469² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145123343014439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72561671507234 + 72561671507235.

It is an arithmetic number, because the mean of its divisors is an integer number (72561671507235).

Almost surely, 2^{145123343014469} is an apocalyptic number.

It is an amenable number.

145123343014469 is a deficient number, since it is larger than the sum of its proper divisors (1).

145123343014469 is an equidigital number, since it uses as much as digits as its factorization.

145123343014469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3732480, while the sum is 50.

The spelling of 145123343014469 in words is "one hundred forty-five trillion, one hundred twenty-three billion, three hundred forty-three million, fourteen thousand, four hundred sixty-nine".