45618719 has 2 divisors, whose sum is σ = 45618720. Its totient is φ = 45618718.

The previous prime is 45618689. The next prime is 45618731. The reversal of 45618719 is 91781654.

45618719 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 a de Polignac number, because none of the positive numbers 2^k-45618719 is a prime.

It is a super-2 number, since 2×45618719² = 4162135046401922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45618779) 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, 22809359 + 22809360.

It is an arithmetic number, because the mean of its divisors is an integer number (22809360).

Almost surely, 2^45618719 is an apocalyptic number.

45618719 is a deficient number, since it is larger than the sum of its proper divisors (1).

45618719 is an equidigital number, since it uses as much as digits as its factorization.

45618719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 41.

The square root of 45618719 is about 6754.1630865711. The cubic root of 45618719 is about 357.3120768903.

The spelling of 45618719 in words is "forty-five million, six hundred eighteen thousand, seven hundred nineteen".