445268 has 6 divisors (see below), whose sum is σ = 779226. Its totient is φ = 222632.

The previous prime is 445261. The next prime is 445271. The reversal of 445268 is 862544.

It can be written as a sum of positive squares in only one way, i.e., 425104 + 20164 = 652^2 + 142^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 445268.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445261) by changing a digit.

445268 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55655 + ... + 55662.

It is an arithmetic number, because the mean of its divisors is an integer number (129871).

2⁴⁴⁵²⁶⁸ is an apocalyptic number.

It is an amenable number.

445268 is a deficient number, since it is larger than the sum of its proper divisors (333958).

445268 is a wasteful number, since it uses less digits than its factorization.

445268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111321 (or 111319 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 445268 is about 667.2840474640. The cubic root of 445268 is about 76.3613905407.

The spelling of 445268 in words is "four hundred forty-five thousand, two hundred sixty-eight".