445400545345 has 16 divisors (see below), whose sum is σ = 614934604800. Its totient is φ = 303367731264.

The previous prime is 445400545229. The next prime is 445400545351. The reversal of 445400545345 is 543545004544.

It is a cyclic number.

It is not a de Polignac number, because 445400545345 - 2³¹ = 443253061697 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42698577 + ... + 42709006.

It is an arithmetic number, because the mean of its divisors is an integer number (38433412800).

Almost surely, 2^445400545345 is an apocalyptic number.

It is an amenable number.

445400545345 is a deficient number, since it is larger than the sum of its proper divisors (169534059455).

445400545345 is a wasteful number, since it uses less digits than its factorization.

445400545345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85407744.

The product of its (nonzero) digits is 1920000, while the sum is 43.

Adding to 445400545345 its reverse (543545004544), we get a palindrome (988945549889).

The spelling of 445400545345 in words is "four hundred forty-five billion, four hundred million, five hundred forty-five thousand, three hundred forty-five".