45195419 has 2 divisors, whose sum is σ = 45195420. Its totient is φ = 45195418.

The previous prime is 45195331. The next prime is 45195421. The reversal of 45195419 is 91459154.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45195419 is a prime.

It is a super-2 number, since 2×45195419² = 4085251797171122, which contains 22 as substring.

Together with 45195421, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45195719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22597709 + 22597710.

It is an arithmetic number, because the mean of its divisors is an integer number (22597710).

Almost surely, 2^45195419 is an apocalyptic number.

45195419 is a deficient number, since it is larger than the sum of its proper divisors (1).

45195419 is an equidigital number, since it uses as much as digits as its factorization.

45195419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32400, while the sum is 38.

The square root of 45195419 is about 6722.7538256283. The cubic root of 45195419 is about 356.2034643637.

The spelling of 45195419 in words is "forty-five million, one hundred ninety-five thousand, four hundred nineteen".