229321321345 has 4 divisors (see below), whose sum is σ = 275185585620. Its totient is φ = 183457057072.

The previous prime is 229321321343. The next prime is 229321321367. The reversal of 229321321345 is 543123123922.

It is a happy number.

229321321345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 83201671809 + 146119649536 = 288447^2 + 382256^2 .

It is a cyclic number.

It is not a de Polignac number, because 229321321345 - 2¹ = 229321321343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (229321321343) 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 3 ways as a sum of consecutive naturals, for example, 22932132130 + ... + 22932132139.

It is an arithmetic number, because the mean of its divisors is an integer number (68796396405).

Almost surely, 2^229321321345 is an apocalyptic number.

It is an amenable number.

229321321345 is a deficient number, since it is larger than the sum of its proper divisors (45864264275).

229321321345 is an equidigital number, since it uses as much as digits as its factorization.

229321321345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45864264274.

The product of its digits is 77760, while the sum is 37.

The spelling of 229321321345 in words is "two hundred twenty-nine billion, three hundred twenty-one million, three hundred twenty-one thousand, three hundred forty-five".