445381743 has 16 divisors (see below), whose sum is σ = 614451200. Its totient is φ = 286662240.

The previous prime is 445381723. The next prime is 445381817. The reversal of 445381743 is 347183544.

It is not a de Polignac number, because 445381743 - 2⁹ = 445381231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445381723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35373 + ... + 46281.

It is an arithmetic number, because the mean of its divisors is an integer number (38403200).

Almost surely, 2^445381743 is an apocalyptic number.

445381743 is a deficient number, since it is larger than the sum of its proper divisors (169069457).

445381743 is a wasteful number, since it uses less digits than its factorization.

445381743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11382.

The product of its digits is 161280, while the sum is 39.

The square root of 445381743 is about 21104.0693469293. The cubic root of 445381743 is about 763.6789211891.

The spelling of 445381743 in words is "four hundred forty-five million, three hundred eighty-one thousand, seven hundred forty-three".