545304445 has 8 divisors (see below), whose sum is σ = 747846144. Its totient is φ = 373923024.

The previous prime is 545304433. The next prime is 545304499. The reversal of 545304445 is 544403545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 545304445 - 2⁷ = 545304317 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 545304445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7790029 + ... + 7790098.

It is an arithmetic number, because the mean of its divisors is an integer number (93480768).

Almost surely, 2^545304445 is an apocalyptic number.

It is an amenable number.

545304445 is a deficient number, since it is larger than the sum of its proper divisors (202541699).

545304445 is a wasteful number, since it uses less digits than its factorization.

545304445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15580139.

The product of its (nonzero) digits is 96000, while the sum is 34.

The square root of 545304445 is about 23351.7546449940. The cubic root of 545304445 is about 816.9829866313.

The spelling of 545304445 in words is "five hundred forty-five million, three hundred four thousand, four hundred forty-five".