445111252 has 48 divisors (see below), whose sum is σ = 845167680. Its totient is φ = 204422400.

The previous prime is 445111213. The next prime is 445111259. The reversal of 445111252 is 252111544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445111259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 657138 + ... + 657814.

It is an arithmetic number, because the mean of its divisors is an integer number (17607660).

Almost surely, 2^445111252 is an apocalyptic number.

It is an amenable number.

445111252 is a deficient number, since it is larger than the sum of its proper divisors (400056428).

445111252 is a wasteful number, since it uses less digits than its factorization.

445111252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952 (or 950 counting only the distinct ones).

The product of its digits is 1600, while the sum is 25.

The square root of 445111252 is about 21097.6598702321. The cubic root of 445111252 is about 763.5242897144.

Adding to 445111252 its reverse (252111544), we get a palindrome (697222796).

The spelling of 445111252 in words is "four hundred forty-five million, one hundred eleven thousand, two hundred fifty-two".