545221333354 has 4 divisors (see below), whose sum is σ = 817832000034. Its totient is φ = 272610666676.

The previous prime is 545221333277. The next prime is 545221333379. The reversal of 545221333354 is 453333122545.

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., 495102213225 + 50119120129 = 703635^2 + 223873^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136305333337 + ... + 136305333340.

Almost surely, 2^545221333354 is an apocalyptic number.

545221333354 is a deficient number, since it is larger than the sum of its proper divisors (272610666680).

545221333354 is a wasteful number, since it uses less digits than its factorization.

545221333354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272610666679.

The product of its digits is 648000, while the sum is 40.

Adding to 545221333354 its reverse (453333122545), we get a palindrome (998554455899).

The spelling of 545221333354 in words is "five hundred forty-five billion, two hundred twenty-one million, three hundred thirty-three thousand, three hundred fifty-four".