445288 has 8 divisors (see below), whose sum is σ = 834930. Its totient is φ = 222640.

The previous prime is 445283. The next prime is 445297. The reversal of 445288 is 882544.

It can be written as a sum of positive squares in only one way, i.e., 412164 + 33124 = 642^2 + 182^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (445283) by changing a digit.

445288 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, 27823 + ... + 27838.

2⁴⁴⁵²⁸⁸ is an apocalyptic number.

It is an amenable number.

445288 is a deficient number, since it is larger than the sum of its proper divisors (389642).

445288 is a wasteful number, since it uses less digits than its factorization.

445288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55667 (or 55663 counting only the distinct ones).

The product of its digits is 10240, while the sum is 31.

The square root of 445288 is about 667.2990334176. The cubic root of 445288 is about 76.3625338259.

The spelling of 445288 in words is "four hundred forty-five thousand, two hundred eighty-eight".