45306223 has 2 divisors, whose sum is σ = 45306224. Its totient is φ = 45306222.

The previous prime is 45306211. The next prime is 45306227. The reversal of 45306223 is 32260354.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45306223 - 2²⁵ = 11751791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45306227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22653111 + 22653112.

It is an arithmetic number, because the mean of its divisors is an integer number (22653112).

Almost surely, 2^45306223 is an apocalyptic number.

45306223 is a deficient number, since it is larger than the sum of its proper divisors (1).

45306223 is an equidigital number, since it uses as much as digits as its factorization.

45306223 is an odious number, because the sum of its binary digits is odd.

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

The square root of 45306223 is about 6730.9897489151. The cubic root of 45306223 is about 356.4943239144.

Adding to 45306223 its reverse (32260354), we get a palindrome (77566577).

The spelling of 45306223 in words is "forty-five million, three hundred six thousand, two hundred twenty-three".