45033649 has 2 divisors, whose sum is σ = 45033650. Its totient is φ = 45033648.

The previous prime is 45033643. The next prime is 45033671. The reversal of 45033649 is 94633054.

It is a happy number.

45033649 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 can be written as a sum of positive squares in only one way, i.e., 35224225 + 9809424 = 5935^2 + 3132^2 .

It is a cyclic number.

It is not a de Polignac number, because 45033649 - 2³ = 45033641 is a prime.

It is not a weakly prime, because it can be changed into another prime (45033641) 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, 22516824 + 22516825.

It is an arithmetic number, because the mean of its divisors is an integer number (22516825).

Almost surely, 2^45033649 is an apocalyptic number.

It is an amenable number.

45033649 is a deficient number, since it is larger than the sum of its proper divisors (1).

45033649 is an equidigital number, since it uses as much as digits as its factorization.

45033649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 45033649 is about 6710.7115122020. The cubic root of 45033649 is about 355.7779645848. Note that the first 3 decimals are identical.

The spelling of 45033649 in words is "forty-five million, thirty-three thousand, six hundred forty-nine".