445443542 has 16 divisors (see below), whose sum is σ = 675589200. Its totient is φ = 220255200.

The previous prime is 445443539. The next prime is 445443587. The reversal of 445443542 is 245344544.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133292 + ... + 136592.

It is an arithmetic number, because the mean of its divisors is an integer number (42224325).

Almost surely, 2^445443542 is an apocalyptic number.

445443542 is a deficient number, since it is larger than the sum of its proper divisors (230145658).

445443542 is a wasteful number, since it uses less digits than its factorization.

445443542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4031.

The product of its digits is 153600, while the sum is 35.

The square root of 445443542 is about 21105.5334450471. The cubic root of 445443542 is about 763.7142410106.

The spelling of 445443542 in words is "four hundred forty-five million, four hundred forty-three thousand, five hundred forty-two".