445942 has 16 divisors (see below), whose sum is σ = 780192. Its totient is φ = 187200.

The previous prime is 445937. The next prime is 445943. The reversal of 445942 is 249544.

It is an Ulam number.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 445942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442 + ... + 1042.

It is an arithmetic number, because the mean of its divisors is an integer number (48762).

2⁴⁴⁵⁹⁴² is an apocalyptic number.

445942 is a deficient number, since it is larger than the sum of its proper divisors (334250).

445942 is a wasteful number, since it uses less digits than its factorization.

445942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663.

The product of its digits is 5760, while the sum is 28.

The square root of 445942 is about 667.7888887965. The cubic root of 445942 is about 76.3999004046.

The spelling of 445942 in words is "four hundred forty-five thousand, nine hundred forty-two".