545344322 has 4 divisors (see below), whose sum is σ = 818016486. Its totient is φ = 272672160.

The previous prime is 545344313. The next prime is 545344339. The reversal of 545344322 is 223443545.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 483076441 + 62267881 = 21979^2 + 7891^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136336079 + ... + 136336082.

Almost surely, 2^545344322 is an apocalyptic number.

545344322 is a deficient number, since it is larger than the sum of its proper divisors (272672164).

545344322 is a wasteful number, since it uses less digits than its factorization.

545344322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272672163.

The product of its digits is 57600, while the sum is 32.

The square root of 545344322 is about 23352.6084624395. The cubic root of 545344322 is about 817.0029009114.

Adding to 545344322 its reverse (223443545), we get a palindrome (768787867).

The spelling of 545344322 in words is "five hundred forty-five million, three hundred forty-four thousand, three hundred twenty-two".