45223205 has 16 divisors (see below), whose sum is σ = 56548800. Its totient is φ = 34688640.

The previous prime is 45223201. The next prime is 45223207. The reversal of 45223205 is 50232254.

45223205 = 166² + 167² + ... + 519².

It is not a de Polignac number, because 45223205 - 2² = 45223201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45223201) 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 15 ways as a sum of consecutive naturals, for example, 10226 + ... + 13964.

It is an arithmetic number, because the mean of its divisors is an integer number (3534300).

Almost surely, 2^45223205 is an apocalyptic number.

It is an amenable number.

45223205 is a deficient number, since it is larger than the sum of its proper divisors (11325595).

45223205 is a wasteful number, since it uses less digits than its factorization.

45223205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3844.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 45223205 is about 6724.8200719424. The cubic root of 45223205 is about 356.2764469953.

Adding to 45223205 its reverse (50232254), we get a palindrome (95455459).

The spelling of 45223205 in words is "forty-five million, two hundred twenty-three thousand, two hundred five".