545785344 has 160 divisors (see below), whose sum is σ = 1740409440. Its totient is φ = 167878656.

The previous prime is 545785337. The next prime is 545785363. The reversal of 545785344 is 443587545.

545785344 is a `hidden beast` number, since 5 + 45 + 78 + 534 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 545785344.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178194 + ... + 181230.

It is an arithmetic number, because the mean of its divisors is an integer number (10877559).

Almost surely, 2^545785344 is an apocalyptic number.

545785344 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545785344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (870204720).

545785344 is an abundant number, since it is smaller than the sum of its proper divisors (1194624096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

545785344 is a wasteful number, since it uses less digits than its factorization.

545785344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3077 (or 3055 counting only the distinct ones).

The product of its digits is 1344000, while the sum is 45.

The square root of 545785344 is about 23362.0492251857. The cubic root of 545785344 is about 817.2230793398.

The spelling of 545785344 in words is "five hundred forty-five million, seven hundred eighty-five thousand, three hundred forty-four".