45656419 has 2 divisors, whose sum is σ = 45656420. Its totient is φ = 45656418.

The previous prime is 45656399. The next prime is 45656437. The reversal of 45656419 is 91465654.

It is a happy number.

45656419 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 45656419 - 2⁷ = 45656291 is a prime.

It is a super-2 number, since 2×45656419² = 4169017191807122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45656489) 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, 22828209 + 22828210.

It is an arithmetic number, because the mean of its divisors is an integer number (22828210).

Almost surely, 2^45656419 is an apocalyptic number.

45656419 is a deficient number, since it is larger than the sum of its proper divisors (1).

45656419 is an equidigital number, since it uses as much as digits as its factorization.

45656419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 40.

The square root of 45656419 is about 6756.9533815174. The cubic root of 45656419 is about 357.4104791582.

The spelling of 45656419 in words is "forty-five million, six hundred fifty-six thousand, four hundred nineteen".