45345330209 has 12 divisors (see below), whose sum is σ = 47173162608. Its totient is φ = 43564555440.

The previous prime is 45345330203. The next prime is 45345330253. The reversal of 45345330209 is 90203354354.

It is not a de Polignac number, because 45345330209 - 2¹⁶ = 45345264673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45345330203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18302 + ... + 301704.

It is an arithmetic number, because the mean of its divisors is an integer number (3931096884).

Almost surely, 2^45345330209 is an apocalyptic number.

It is an amenable number.

45345330209 is a deficient number, since it is larger than the sum of its proper divisors (1827832399).

45345330209 is an equidigital number, since it uses as much as digits as its factorization.

45345330209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283568 (or 283507 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 38.

The spelling of 45345330209 in words is "forty-five billion, three hundred forty-five million, three hundred thirty thousand, two hundred nine".