45112519 has 2 divisors, whose sum is σ = 45112520. Its totient is φ = 45112518.

The previous prime is 45112513. The next prime is 45112523. The reversal of 45112519 is 91521154.

45112519 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45112519 - 2³ = 45112511 is a prime.

It is a super-2 number, since 2×45112519² = 4070278741050722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45112511) 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 as a sum of consecutive naturals, namely, 22556259 + 22556260.

It is an arithmetic number, because the mean of its divisors is an integer number (22556260).

Almost surely, 2^45112519 is an apocalyptic number.

45112519 is a deficient number, since it is larger than the sum of its proper divisors (1).

45112519 is an equidigital number, since it uses as much as digits as its factorization.

45112519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1800, while the sum is 28.

The square root of 45112519 is about 6716.5853675808. The cubic root of 45112519 is about 355.9855415371.

The spelling of 45112519 in words is "forty-five million, one hundred twelve thousand, five hundred nineteen".