45005561345 has 24 divisors (see below), whose sum is σ = 58211581824. Its totient is φ = 33383681568.

The previous prime is 45005561261. The next prime is 45005561353. The reversal of 45005561345 is 54316550054.

It is not a de Polignac number, because 45005561345 - 2¹⁰ = 45005560321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45005561299 and 45005561308.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 180419 + ... + 350088.

It is an arithmetic number, because the mean of its divisors is an integer number (2425482576).

Almost surely, 2^45005561345 is an apocalyptic number.

It is an amenable number.

45005561345 is a deficient number, since it is larger than the sum of its proper divisors (13206020479).

45005561345 is a wasteful number, since it uses less digits than its factorization.

45005561345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530597 (or 530578 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 45005561345 in words is "forty-five billion, five million, five hundred sixty-one thousand, three hundred forty-five".