145223534053513 has 2 divisors, whose sum is σ = 145223534053514. Its totient is φ = 145223534053512.

The previous prime is 145223534053463. The next prime is 145223534053523. The reversal of 145223534053513 is 315350435322541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138326460545529 + 6897073507984 = 11761227^2 + 2626228^2 .

It is a cyclic number.

It is not a de Polignac number, because 145223534053513 - 2²⁵ = 145223500499081 is a prime.

It is not a weakly prime, because it can be changed into another prime (145223534053523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72611767026756 + 72611767026757.

It is an arithmetic number, because the mean of its divisors is an integer number (72611767026757).

Almost surely, 2^{145223534053513} is an apocalyptic number.

It is an amenable number.

145223534053513 is a deficient number, since it is larger than the sum of its proper divisors (1).

145223534053513 is an equidigital number, since it uses as much as digits as its factorization.

145223534053513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240000, while the sum is 46.

The spelling of 145223534053513 in words is "one hundred forty-five trillion, two hundred twenty-three billion, five hundred thirty-four million, fifty-three thousand, five hundred thirteen".