545220541445 has 16 divisors (see below), whose sum is σ = 660697240320. Its totient is φ = 431889072384.

The previous prime is 545220541421. The next prime is 545220541451. The reversal of 545220541445 is 544145022545.

It is a cyclic number.

It is not a de Polignac number, because 545220541445 - 2¹² = 545220537349 is a prime.

It is a congruent number.

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, 4475501 + ... + 4595709.

It is an arithmetic number, because the mean of its divisors is an integer number (41293577520).

Almost surely, 2^545220541445 is an apocalyptic number.

It is an amenable number.

545220541445 is a deficient number, since it is larger than the sum of its proper divisors (115476698875).

545220541445 is a wasteful number, since it uses less digits than its factorization.

545220541445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129124.

The product of its (nonzero) digits is 640000, while the sum is 41.

The spelling of 545220541445 in words is "five hundred forty-five billion, two hundred twenty million, five hundred forty-one thousand, four hundred forty-five".