445853 has 2 divisors, whose sum is σ = 445854. Its totient is φ = 445852.

The previous prime is 445847. The next prime is 445871. The reversal of 445853 is 358544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 407044 + 38809 = 638^2 + 197^2 .

It is a cyclic number.

It is not a de Polignac number, because 445853 - 2⁶ = 445789 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 445853.

It is not a weakly prime, because it can be changed into another prime (445883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222926 + 222927.

It is an arithmetic number, because the mean of its divisors is an integer number (222927).

2⁴⁴⁵⁸⁵³ is an apocalyptic number.

It is an amenable number.

445853 is a deficient number, since it is larger than the sum of its proper divisors (1).

445853 is an equidigital number, since it uses as much as digits as its factorization.

445853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9600, while the sum is 29.

The square root of 445853 is about 667.7222476449. The cubic root of 445853 is about 76.3948174988.

The spelling of 445853 in words is "four hundred forty-five thousand, eight hundred fifty-three".