545877445 has 8 divisors (see below), whose sum is σ = 655520544. Its totient is φ = 436390224.

The previous prime is 545877379. The next prime is 545877457. The reversal of 545877445 is 544778545.

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 545877445 - 2¹⁹ = 545353157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31119 + ... + 45388.

It is an arithmetic number, because the mean of its divisors is an integer number (81940068).

Almost surely, 2^545877445 is an apocalyptic number.

It is an amenable number.

545877445 is a deficient number, since it is larger than the sum of its proper divisors (109643099).

545877445 is a wasteful number, since it uses less digits than its factorization.

545877445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77939.

The product of its digits is 3136000, while the sum is 49.

The square root of 545877445 is about 23364.0203090136. The cubic root of 545877445 is about 817.2690454144.

The spelling of 545877445 in words is "five hundred forty-five million, eight hundred seventy-seven thousand, four hundred forty-five".