45040224 has 24 divisors (see below), whose sum is σ = 118230840. Its totient is φ = 15013376.

The previous prime is 45040223. The next prime is 45040231. The reversal of 45040224 is 42204054.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 45040224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45040223) 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, 234489 + ... + 234680.

It is an arithmetic number, because the mean of its divisors is an integer number (4926285).

Almost surely, 2^45040224 is an apocalyptic number.

It is an amenable number.

45040224 is an abundant number, since it is smaller than the sum of its proper divisors (73190616).

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

45040224 is a wasteful number, since it uses less digits than its factorization.

45040224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469182 (or 469174 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 45040224 is about 6711.2013827630. The cubic root of 45040224 is about 355.7952784995.

Adding to 45040224 its reverse (42204054), we get a palindrome (87244278).

The spelling of 45040224 in words is "forty-five million, forty thousand, two hundred twenty-four".