545331422 has 4 divisors (see below), whose sum is σ = 817997136. Its totient is φ = 272665710.

The previous prime is 545331383. The next prime is 545331427. The reversal of 545331422 is 224133545.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 224133545 = 5 ⋅44826709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545331427) 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 as a sum of consecutive naturals, namely, 136332854 + ... + 136332857.

It is an arithmetic number, because the mean of its divisors is an integer number (204499284).

Almost surely, 2^545331422 is an apocalyptic number.

545331422 is a deficient number, since it is larger than the sum of its proper divisors (272665714).

545331422 is a wasteful number, since it uses less digits than its factorization.

545331422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272665713.

The product of its digits is 14400, while the sum is 29.

The square root of 545331422 is about 23352.3322603975. The cubic root of 545331422 is about 816.9964588526.

Adding to 545331422 its reverse (224133545), we get a palindrome (769464967).

It can be divided in two parts, 54533 and 1422, that added together give a palindrome (55955).

The spelling of 545331422 in words is "five hundred forty-five million, three hundred thirty-one thousand, four hundred twenty-two".