45020223 has 12 divisors (see below), whose sum is σ = 67856880. Its totient is φ = 28708416.

The previous prime is 45020207. The next prime is 45020243. The reversal of 45020223 is 32202054.

It is not a de Polignac number, because 45020223 - 2⁴ = 45020207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45020196 and 45020205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45020203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108538 + ... + 108951.

It is an arithmetic number, because the mean of its divisors is an integer number (5654740).

Almost surely, 2^45020223 is an apocalyptic number.

45020223 is a deficient number, since it is larger than the sum of its proper divisors (22836657).

45020223 is a wasteful number, since it uses less digits than its factorization.

45020223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217518 (or 217515 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 45020223 is about 6709.7110966121. The cubic root of 45020223 is about 355.7426047310.

Adding to 45020223 its reverse (32202054), we get a palindrome (77222277).

The spelling of 45020223 in words is "forty-five million, twenty thousand, two hundred twenty-three".