445882142 has 8 divisors (see below), whose sum is σ = 676881576. Its totient is φ = 220254952.

The previous prime is 445882133. The next prime is 445882147. The reversal of 445882142 is 241288544.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 445882096 and 445882105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445882147) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1342853 + ... + 1343184.

It is an arithmetic number, because the mean of its divisors is an integer number (84610197).

Almost surely, 2^445882142 is an apocalyptic number.

445882142 is a deficient number, since it is larger than the sum of its proper divisors (230999434).

445882142 is a wasteful number, since it uses less digits than its factorization.

445882142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2686122.

The product of its digits is 81920, while the sum is 38.

The square root of 445882142 is about 21115.9215285528. The cubic root of 445882142 is about 763.9648191086.

The spelling of 445882142 in words is "four hundred forty-five million, eight hundred eighty-two thousand, one hundred forty-two".