45304219 has 2 divisors, whose sum is σ = 45304220. Its totient is φ = 45304218.

The previous prime is 45304211. The next prime is 45304223. The reversal of 45304219 is 91240354.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45304219 - 2³ = 45304211 is a prime.

It is a super-2 number, since 2×45304219² = 4104944518399922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45304211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22652109 + 22652110.

It is an arithmetic number, because the mean of its divisors is an integer number (22652110).

Almost surely, 2^45304219 is an apocalyptic number.

45304219 is a deficient number, since it is larger than the sum of its proper divisors (1).

45304219 is an equidigital number, since it uses as much as digits as its factorization.

45304219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 45304219 is about 6730.8408835747. The cubic root of 45304219 is about 356.4890676449.

The spelling of 45304219 in words is "forty-five million, three hundred four thousand, two hundred nineteen".