445305144 has 16 divisors (see below), whose sum is σ = 1113262920. Its totient is φ = 148435040.

The previous prime is 445305143. The next prime is 445305187. The reversal of 445305144 is 441503544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445305143) 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 3 ways as a sum of consecutive naturals, for example, 9277167 + ... + 9277214.

Almost surely, 2^445305144 is an apocalyptic number.

It is an amenable number.

445305144 is an abundant number, since it is smaller than the sum of its proper divisors (667957776).

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

445305144 is a wasteful number, since it uses less digits than its factorization.

445305144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18554390 (or 18554386 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 445305144 is about 21102.2544767141. The cubic root of 445305144 is about 763.6351382273.

Adding to 445305144 its reverse (441503544), we get a palindrome (886808688).

The spelling of 445305144 in words is "four hundred forty-five million, three hundred five thousand, one hundred forty-four".