545044244 has 6 divisors (see below), whose sum is σ = 953827434. Its totient is φ = 272522120.

The previous prime is 545044237. The next prime is 545044267. The reversal of 545044244 is 442440545.

It can be written as a sum of positive squares in only one way, i.e., 288660100 + 256384144 = 16990^2 + 16012^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 545044244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68130527 + ... + 68130534.

It is an arithmetic number, because the mean of its divisors is an integer number (158971239).

Almost surely, 2^545044244 is an apocalyptic number.

It is an amenable number.

545044244 is a deficient number, since it is larger than the sum of its proper divisors (408783190).

545044244 is a wasteful number, since it uses less digits than its factorization.

545044244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136261065 (or 136261063 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 32.

The square root of 545044244 is about 23346.1826429933. The cubic root of 545044244 is about 816.8530203265.

Adding to 545044244 its reverse (442440545), we get a palindrome (987484789).

It can be divided in two parts, 5450 and 44244, that added together give a palindrome (49694).

The spelling of 545044244 in words is "five hundred forty-five million, forty-four thousand, two hundred forty-four".