446145653 has 2 divisors, whose sum is σ = 446145654. Its totient is φ = 446145652.

The previous prime is 446145649. The next prime is 446145709. The reversal of 446145653 is 356541644.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 445758769 + 386884 = 21113^2 + 622^2 .

It is a cyclic number.

It is not a de Polignac number, because 446145653 - 2² = 446145649 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (446145353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223072826 + 223072827.

It is an arithmetic number, because the mean of its divisors is an integer number (223072827).

Almost surely, 2^446145653 is an apocalyptic number.

It is an amenable number.

446145653 is a deficient number, since it is larger than the sum of its proper divisors (1).

446145653 is an equidigital number, since it uses as much as digits as its factorization.

446145653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172800, while the sum is 38.

The square root of 446145653 is about 21122.1602351653. The cubic root of 446145653 is about 764.1152874870.

The spelling of 446145653 in words is "four hundred forty-six million, one hundred forty-five thousand, six hundred fifty-three".