45133223 has 2 divisors, whose sum is σ = 45133224. Its totient is φ = 45133222.

The previous prime is 45133219. The next prime is 45133237. The reversal of 45133223 is 32233154.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45133223 - 2² = 45133219 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45133523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22566611 + 22566612.

It is an arithmetic number, because the mean of its divisors is an integer number (22566612).

Almost surely, 2^45133223 is an apocalyptic number.

45133223 is a deficient number, since it is larger than the sum of its proper divisors (1).

45133223 is an equidigital number, since it uses as much as digits as its factorization.

45133223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 23.

The square root of 45133223 is about 6718.1264501347. The cubic root of 45133223 is about 356.0399920355.

Adding to 45133223 its reverse (32233154), we get a palindrome (77366377).

The spelling of 45133223 in words is "forty-five million, one hundred thirty-three thousand, two hundred twenty-three".