145204533322243 has 4 divisors (see below), whose sum is σ = 145233731906208. Its totient is φ = 145175334738280.

The previous prime is 145204533322237. The next prime is 145204533322259. The reversal of 145204533322243 is 342223335402541.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145204533322243 - 2²⁹ = 145203996451331 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145204533322243.

It is not an unprimeable number, because it can be changed into a prime (145204533352243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14599284523 + ... + 14599294468.

It is an arithmetic number, because the mean of its divisors is an integer number (36308432976552).

Almost surely, 2^{145204533322243} is an apocalyptic number.

145204533322243 is a deficient number, since it is larger than the sum of its proper divisors (29198583965).

145204533322243 is an equidigital number, since it uses as much as digits as its factorization.

145204533322243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29198583964.

The product of its (nonzero) digits is 2073600, while the sum is 43.

Adding to 145204533322243 its reverse (342223335402541), we get a palindrome (487427868724784).

The spelling of 145204533322243 in words is "one hundred forty-five trillion, two hundred four billion, five hundred thirty-three million, three hundred twenty-two thousand, two hundred forty-three".