445550117 has 2 divisors, whose sum is σ = 445550118. Its totient is φ = 445550116.

The previous prime is 445550101. The next prime is 445550173. The reversal of 445550117 is 711055544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 429276961 + 16273156 = 20719^2 + 4034^2 .

It is a cyclic number.

It is not a de Polignac number, because 445550117 - 2⁴ = 445550101 is a prime.

It is a Chen prime.

It is equal to p_23629523 and since 445550117 and 23629523 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445556117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222775058 + 222775059.

It is an arithmetic number, because the mean of its divisors is an integer number (222775059).

Almost surely, 2^445550117 is an apocalyptic number.

It is an amenable number.

445550117 is a deficient number, since it is larger than the sum of its proper divisors (1).

445550117 is an equidigital number, since it uses as much as digits as its factorization.

445550117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14000, while the sum is 32.

The square root of 445550117 is about 21108.0581058514. The cubic root of 445550117 is about 763.7751438690.

The spelling of 445550117 in words is "four hundred forty-five million, five hundred fifty thousand, one hundred seventeen".