45130219 has 2 divisors, whose sum is σ = 45130220. Its totient is φ = 45130218.

The previous prime is 45130207. The next prime is 45130229. The reversal of 45130219 is 91203154.

45130219 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 a de Polignac number, because none of the positive numbers 2^k-45130219 is a prime.

It is a super-2 number, since 2×45130219² = 4073473333975922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45130193 and 45130202.

It is not a weakly prime, because it can be changed into another prime (45130229) 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, 22565109 + 22565110.

It is an arithmetic number, because the mean of its divisors is an integer number (22565110).

Almost surely, 2^45130219 is an apocalyptic number.

45130219 is a deficient number, since it is larger than the sum of its proper divisors (1).

45130219 is an equidigital number, since it uses as much as digits as its factorization.

45130219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 45130219 is about 6717.9028721767. The cubic root of 45130219 is about 356.0320926966.

The spelling of 45130219 in words is "forty-five million, one hundred thirty thousand, two hundred nineteen".