4545419 has 4 divisors (see below), whose sum is σ = 4622520. Its totient is φ = 4468320.

The previous prime is 4545403. The next prime is 4545433. The reversal of 4545419 is 9145454.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9145454 = 2 ⋅4572727.

It is a cyclic number.

It is not a de Polignac number, because 4545419 - 2⁴ = 4545403 is a prime.

It is a super-2 number, since 2×4545419² = 41321667771122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4545449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38462 + ... + 38579.

It is an arithmetic number, because the mean of its divisors is an integer number (1155630).

Almost surely, 2^4545419 is an apocalyptic number.

4545419 is a deficient number, since it is larger than the sum of its proper divisors (77101).

4545419 is an equidigital number, since it uses as much as digits as its factorization.

4545419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77100.

The product of its digits is 14400, while the sum is 32.

The square root of 4545419 is about 2131.9988273918. The cubic root of 4545419 is about 165.6499494395.

The spelling of 4545419 in words is "four million, five hundred forty-five thousand, four hundred nineteen".