545444322 has 8 divisors (see below), whose sum is σ = 1090888656. Its totient is φ = 181814772.

The previous prime is 545444309. The next prime is 545444329. The reversal of 545444322 is 223444545.

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

545444322 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (545444329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45453688 + ... + 45453699.

It is an arithmetic number, because the mean of its divisors is an integer number (136361082).

Almost surely, 2^545444322 is an apocalyptic number.

545444322 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

545444322 is a wasteful number, since it uses less digits than its factorization.

545444322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90907392.

The product of its digits is 76800, while the sum is 33.

The square root of 545444322 is about 23354.7494527344. The cubic root of 545444322 is about 817.0528359057.

Adding to 545444322 its reverse (223444545), we get a palindrome (768888867).

The spelling of 545444322 in words is "five hundred forty-five million, four hundred forty-four thousand, three hundred twenty-two".