45649223 has 2 divisors, whose sum is σ = 45649224. Its totient is φ = 45649222.

The previous prime is 45649213. The next prime is 45649243. The reversal of 45649223 is 32294654.

45649223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45649223 - 2⁶ = 45649159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45649213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22824611 + 22824612.

It is an arithmetic number, because the mean of its divisors is an integer number (22824612).

Almost surely, 2^45649223 is an apocalyptic number.

45649223 is a deficient number, since it is larger than the sum of its proper divisors (1).

45649223 is an equidigital number, since it uses as much as digits as its factorization.

45649223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 35.

The square root of 45649223 is about 6756.4208720298. The cubic root of 45649223 is about 357.3917007768.

The spelling of 45649223 in words is "forty-five million, six hundred forty-nine thousand, two hundred twenty-three".