45305419 has 2 divisors, whose sum is σ = 45305420. Its totient is φ = 45305418.

The previous prime is 45305411. The next prime is 45305431. The reversal of 45305419 is 91450354.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45305419 - 2³ = 45305411 is a prime.

It is a super-2 number, since 2×45305419² = 4105161981531122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45305411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22652709 + 22652710.

It is an arithmetic number, because the mean of its divisors is an integer number (22652710).

Almost surely, 2^45305419 is an apocalyptic number.

45305419 is a deficient number, since it is larger than the sum of its proper divisors (1).

45305419 is an equidigital number, since it uses as much as digits as its factorization.

45305419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 45305419 is about 6730.9300248925. The cubic root of 45305419 is about 356.4922151303.

The spelling of 45305419 in words is "forty-five million, three hundred five thousand, four hundred nineteen".