330444332332145 has 4 divisors (see below), whose sum is σ = 396533198798580. Its totient is φ = 264355465865712.

The previous prime is 330444332332139. The next prime is 330444332332171. The reversal of 330444332332145 is 541233233444033.

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 208036573381729 + 122407758950416 = 14423473^2 + 11063804^2 .

It is a cyclic number.

It is not a de Polignac number, because 330444332332145 - 2²⁰ = 330444331283569 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 330444332332096 and 330444332332105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33044433233210 + ... + 33044433233219.

It is an arithmetic number, because the mean of its divisors is an integer number (99133299699645).

Almost surely, 2^{330444332332145} is an apocalyptic number.

It is an amenable number.

330444332332145 is a deficient number, since it is larger than the sum of its proper divisors (66088866466435).

330444332332145 is an equidigital number, since it uses as much as digits as its factorization.

330444332332145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66088866466434.

The product of its (nonzero) digits is 3732480, while the sum is 44.

Adding to 330444332332145 its reverse (541233233444033), we get a palindrome (871677565776178).

The spelling of 330444332332145 in words is "three hundred thirty trillion, four hundred forty-four billion, three hundred thirty-two million, three hundred thirty-two thousand, one hundred forty-five".