45470219 has 2 divisors, whose sum is σ = 45470220. Its totient is φ = 45470218.

The previous prime is 45470209. The next prime is 45470233. The reversal of 45470219 is 91207454.

It is a happy number.

45470219 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 45470219 - 2⁴ = 45470203 is a prime.

It is a super-2 number, since 2×45470219² = 4135081631815922, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (45470209) 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, 22735109 + 22735110.

It is an arithmetic number, because the mean of its divisors is an integer number (22735110).

Almost surely, 2^45470219 is an apocalyptic number.

45470219 is a deficient number, since it is larger than the sum of its proper divisors (1).

45470219 is an equidigital number, since it uses as much as digits as its factorization.

45470219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 45470219 is about 6743.1609056881. The cubic root of 45470219 is about 356.9239429237.

The spelling of 45470219 in words is "forty-five million, four hundred seventy thousand, two hundred nineteen".