45630223 has 2 divisors, whose sum is σ = 45630224. Its totient is φ = 45630222.

The previous prime is 45630199. The next prime is 45630239. The reversal of 45630223 is 32203654.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45630223 - 2¹⁷ = 45499151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45630293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22815111 + 22815112.

It is an arithmetic number, because the mean of its divisors is an integer number (22815112).

Almost surely, 2^45630223 is an apocalyptic number.

45630223 is a deficient number, since it is larger than the sum of its proper divisors (1).

45630223 is an equidigital number, since it uses as much as digits as its factorization.

45630223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 45630223 is about 6755.0146557946. The cubic root of 45630223 is about 357.3421096835.

Adding to 45630223 its reverse (32203654), we get a palindrome (77833877).

The spelling of 45630223 in words is "forty-five million, six hundred thirty thousand, two hundred twenty-three".