145004224433 has 4 divisors (see below), whose sum is σ = 145035486720. Its totient is φ = 144972962148.

The previous prime is 145004224429. The next prime is 145004224513. The reversal of 145004224433 is 334422400541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 334422400541 = 47143 ⋅7093787.

It is a cyclic number.

It is not a de Polignac number, because 145004224433 - 2² = 145004224429 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 145004224433.

It is not an unprimeable number, because it can be changed into a prime (145004220433) 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, 15624185 + ... + 15633462.

It is an arithmetic number, because the mean of its divisors is an integer number (36258871680).

Almost surely, 2^145004224433 is an apocalyptic number.

It is an amenable number.

145004224433 is a deficient number, since it is larger than the sum of its proper divisors (31262287).

145004224433 is an equidigital number, since it uses as much as digits as its factorization.

145004224433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31262286.

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 145004224433 its reverse (334422400541), we get a palindrome (479426624974).

The spelling of 145004224433 in words is "one hundred forty-five billion, four million, two hundred twenty-four thousand, four hundred thirty-three".