145163320244 has 18 divisors (see below), whose sum is σ = 255005884770. Its totient is φ = 72305546416.

The previous prime is 145163320241. The next prime is 145163320273. The reversal of 145163320244 is 442023361541.

145163320244 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 80082208144 + 65081112100 = 282988^2 + 255110^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145163320241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14342 + ... + 539010.

Almost surely, 2^145163320244 is an apocalyptic number.

It is an amenable number.

145163320244 is a deficient number, since it is larger than the sum of its proper divisors (109842564526).

145163320244 is an equidigital number, since it uses as much as digits as its factorization.

145163320244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525199 (or 524934 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 145163320244 its reverse (442023361541), we get a palindrome (587186681785).

The spelling of 145163320244 in words is "one hundred forty-five billion, one hundred sixty-three million, three hundred twenty thousand, two hundred forty-four".