445343144 has 16 divisors (see below), whose sum is σ = 835501920. Its totient is φ = 222542640.

The previous prime is 445343081. The next prime is 445343161. The reversal of 445343144 is 441343544.

It is a self number, because there is not a number n which added to its sum of digits gives 445343144.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 554 + ... + 29849.

It is an arithmetic number, because the mean of its divisors is an integer number (52218870).

Almost surely, 2^445343144 is an apocalyptic number.

It is an amenable number.

445343144 is a deficient number, since it is larger than the sum of its proper divisors (390158776).

445343144 is a wasteful number, since it uses less digits than its factorization.

445343144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32240 (or 32236 counting only the distinct ones).

The product of its digits is 46080, while the sum is 32.

The square root of 445343144 is about 21103.1548352373. The cubic root of 445343144 is about 763.6568591455.

Adding to 445343144 its reverse (441343544), we get a palindrome (886686688).

The spelling of 445343144 in words is "four hundred forty-five million, three hundred forty-three thousand, one hundred forty-four".