145514242223 has 16 divisors (see below), whose sum is σ = 167900947200. Its totient is φ = 123527898816.

The previous prime is 145514242193. The next prime is 145514242249. The reversal of 145514242223 is 322242415541.

It is a de Polignac number, because none of the positive numbers 2^k-145514242223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145514248223) 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 15 ways as a sum of consecutive naturals, for example, 3026828 + ... + 3074526.

It is an arithmetic number, because the mean of its divisors is an integer number (10493809200).

Almost surely, 2^145514242223 is an apocalyptic number.

145514242223 is a deficient number, since it is larger than the sum of its proper divisors (22386704977).

145514242223 is a wasteful number, since it uses less digits than its factorization.

145514242223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51886.

The product of its digits is 76800, while the sum is 35.

Adding to 145514242223 its reverse (322242415541), we get a palindrome (467756657764).

The spelling of 145514242223 in words is "one hundred forty-five billion, five hundred fourteen million, two hundred forty-two thousand, two hundred twenty-three".