445999942 has 16 divisors (see below), whose sum is σ = 676476000. Its totient is φ = 220521600.

The previous prime is 445999933. The next prime is 445999949. The reversal of 445999942 is 249999544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445999949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65934 + ... + 72382.

It is an arithmetic number, because the mean of its divisors is an integer number (42279750).

Almost surely, 2^445999942 is an apocalyptic number.

445999942 is a deficient number, since it is larger than the sum of its proper divisors (230476058).

445999942 is a wasteful number, since it uses less digits than its factorization.

445999942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6831.

The product of its digits is 4199040, while the sum is 55.

The square root of 445999942 is about 21118.7107087530. The cubic root of 445999942 is about 764.0320918420.

It can be divided in two parts, 4459 and 99942, that added together give a palindrome (104401).

The spelling of 445999942 in words is "four hundred forty-five million, nine hundred ninety-nine thousand, nine hundred forty-two".