445343544 has 96 divisors (see below), whose sum is σ = 1244880000. Its totient is φ = 143721216.

The previous prime is 445343513. The next prime is 445343557.

445343544 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 445343499 and 445343508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 929497 + ... + 929975.

It is an arithmetic number, because the mean of its divisors is an integer number (12967500).

Almost surely, 2^445343544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 445343544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (622440000).

445343544 is an abundant number, since it is smaller than the sum of its proper divisors (799536456).

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

445343544 is a wasteful number, since it uses less digits than its factorization.

445343544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877 (or 870 counting only the distinct ones).

The product of its digits is 230400, while the sum is 36.

The square root of 445343544 is about 21103.1643124911. The cubic root of 445343544 is about 763.6570877802.

The spelling of 445343544 in words is "four hundred forty-five million, three hundred forty-three thousand, five hundred forty-four".