445272 has 16 divisors (see below), whose sum is σ = 1113240. Its totient is φ = 148416.

The previous prime is 445271. The next prime is 445279. The reversal of 445272 is 272544.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 18553 = 445272 / (4 + 4 + 5 + 2 + 7 + 2).

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9253 + ... + 9300.

2⁴⁴⁵²⁷² is an apocalyptic number.

It is an amenable number.

445272 is an abundant number, since it is smaller than the sum of its proper divisors (667968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

445272 is a wasteful number, since it uses less digits than its factorization.

445272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18562 (or 18558 counting only the distinct ones).

The product of its digits is 2240, while the sum is 24.

The square root of 445272 is about 667.2870446817. The cubic root of 445272 is about 76.3616192005.

It can be divided in two parts, 445 and 272, that added together give a palindrome (717).

The spelling of 445272 in words is "four hundred forty-five thousand, two hundred seventy-two".