445045344 has 48 divisors (see below), whose sum is σ = 1169344512. Its totient is φ = 148208768.

The previous prime is 445045343. The next prime is 445045357. The reversal of 445045344 is 443540544.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445045343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173737 + ... + 176279.

It is an arithmetic number, because the mean of its divisors is an integer number (24361344).

Almost surely, 2^445045344 is an apocalyptic number.

It is an amenable number.

445045344 is an abundant number, since it is smaller than the sum of its proper divisors (724299168).

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

445045344 is a wasteful number, since it uses less digits than its factorization.

445045344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4379 (or 4371 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 33.

The square root of 445045344 is about 21096.0978382259. The cubic root of 445045344 is about 763.4866026249.

Adding to 445045344 its reverse (443540544), we get a palindrome (888585888).

It can be divided in two parts, 4450 and 45344, that added together give a palindrome (49794).

The spelling of 445045344 in words is "four hundred forty-five million, forty-five thousand, three hundred forty-four".