45447299 has 2 divisors, whose sum is σ = 45447300. Its totient is φ = 45447298.

The previous prime is 45447277. The next prime is 45447319. The reversal of 45447299 is 99274454.

45447299 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45447299 - 2⁸ = 45447043 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (45447499) 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, 22723649 + 22723650.

It is an arithmetic number, because the mean of its divisors is an integer number (22723650).

Almost surely, 2^45447299 is an apocalyptic number.

45447299 is a deficient number, since it is larger than the sum of its proper divisors (1).

45447299 is an equidigital number, since it uses as much as digits as its factorization.

45447299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 44.

The square root of 45447299 is about 6741.4611917595. The cubic root of 45447299 is about 356.8639617472.

The spelling of 45447299 in words is "forty-five million, four hundred forty-seven thousand, two hundred ninety-nine".