8145419 has 2 divisors, whose sum is σ = 8145420. Its totient is φ = 8145418.

The previous prime is 8145407. The next prime is 8145437. The reversal of 8145419 is 9145418.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8145419 is a prime.

It is a super-2 number, since 2×8145419² = 132695701371122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (8145479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4072709 + 4072710.

It is an arithmetic number, because the mean of its divisors is an integer number (4072710).

Almost surely, 2^8145419 is an apocalyptic number.

8145419 is a deficient number, since it is larger than the sum of its proper divisors (1).

8145419 is an equidigital number, since it uses as much as digits as its factorization.

8145419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 32.

The square root of 8145419 is about 2854.0180447923. The cubic root of 8145419 is about 201.2045556636.

Subtracting 8145419 from its reverse (9145418), we obtain a palindrome (999999).

The spelling of 8145419 in words is "eight million, one hundred forty-five thousand, four hundred nineteen".