45044719 has 2 divisors, whose sum is σ = 45044720. Its totient is φ = 45044718.

The previous prime is 45044717. The next prime is 45044803. The reversal of 45044719 is 91744054.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45044719 - 2¹ = 45044717 is a prime.

It is a super-2 number, since 2×45044719² = 4058053419577922, which contains 22 as substring.

Together with 45044717, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45044717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22522359 + 22522360.

It is an arithmetic number, because the mean of its divisors is an integer number (22522360).

Almost surely, 2^45044719 is an apocalyptic number.

45044719 is a deficient number, since it is larger than the sum of its proper divisors (1).

45044719 is an equidigital number, since it uses as much as digits as its factorization.

45044719 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 45044719 is about 6711.5362622875. The cubic root of 45044719 is about 355.8071141909.

The spelling of 45044719 in words is "forty-five million, forty-four thousand, seven hundred nineteen".