145503300422023 has 4 divisors (see below), whose sum is σ = 149052161407968. Its totient is φ = 141954439436080.

The previous prime is 145503300421957. The next prime is 145503300422033. The reversal of 145503300422023 is 320224003305541.

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

It is not a de Polignac number, because 145503300422023 - 2¹⁷ = 145503300290951 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 145503300422023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145503300422033) 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 in 3 ways as a sum of consecutive naturals, for example, 1774430492911 + ... + 1774430492992.

It is an arithmetic number, because the mean of its divisors is an integer number (37263040351992).

Almost surely, 2^{145503300422023} is an apocalyptic number.

145503300422023 is a deficient number, since it is larger than the sum of its proper divisors (3548860985945).

145503300422023 is an equidigital number, since it uses as much as digits as its factorization.

145503300422023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3548860985944.

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 145503300422023 its reverse (320224003305541), we get a palindrome (465727303727564).

The spelling of 145503300422023 in words is "one hundred forty-five trillion, five hundred three billion, three hundred million, four hundred twenty-two thousand, twenty-three".