445046842 has 32 divisors (see below), whose sum is σ = 745865280. Its totient is φ = 197925120.

The previous prime is 445046839. The next prime is 445046843. The reversal of 445046842 is 248640544.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (445046843) 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 15 ways as a sum of consecutive naturals, for example, 445888 + ... + 446884.

It is an arithmetic number, because the mean of its divisors is an integer number (23308290).

Almost surely, 2^445046842 is an apocalyptic number.

445046842 is a deficient number, since it is larger than the sum of its proper divisors (300818438).

445046842 is a wasteful number, since it uses less digits than its factorization.

445046842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726.

The product of its (nonzero) digits is 122880, while the sum is 37.

The square root of 445046842 is about 21096.1333423924. The cubic root of 445046842 is about 763.4874592429.

The spelling of 445046842 in words is "four hundred forty-five million, forty-six thousand, eight hundred forty-two".