45111719 has 4 divisors (see below), whose sum is σ = 47486040. Its totient is φ = 42737400.

The previous prime is 45111713. The next prime is 45111743. The reversal of 45111719 is 91711154.

45111719 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45111719 - 2⁸ = 45111463 is a prime.

It is a super-2 number, since 2×45111719² = 4070134382269922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45111691 and 45111700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45111713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1187132 + ... + 1187169.

It is an arithmetic number, because the mean of its divisors is an integer number (11871510).

Almost surely, 2^45111719 is an apocalyptic number.

45111719 is a deficient number, since it is larger than the sum of its proper divisors (2374321).

45111719 is a wasteful number, since it uses less digits than its factorization.

45111719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2374320.

The product of its digits is 1260, while the sum is 29.

The square root of 45111719 is about 6716.5258132460. The cubic root of 45111719 is about 355.9834372423.

The spelling of 45111719 in words is "forty-five million, one hundred eleven thousand, seven hundred nineteen".