445537412 has 24 divisors (see below), whose sum is σ = 796662552. Its totient is φ = 217958400.

The previous prime is 445537399. The next prime is 445537427. The reversal of 445537412 is 214735544.

It can be written as a sum of positive squares in 4 ways, for example, as 3444736 + 442092676 = 1856^2 + 21026^2 .

It is an unprimeable number.

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, 42362 + ... + 51822.

It is an arithmetic number, because the mean of its divisors is an integer number (33194273).

Almost surely, 2^445537412 is an apocalyptic number.

It is an amenable number.

445537412 is a deficient number, since it is larger than the sum of its proper divisors (351125140).

445537412 is a wasteful number, since it uses less digits than its factorization.

445537412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9719 (or 9717 counting only the distinct ones).

The product of its digits is 67200, while the sum is 35.

The square root of 445537412 is about 21107.7571522888. The cubic root of 445537412 is about 763.7678840381.

The spelling of 445537412 in words is "four hundred forty-five million, five hundred thirty-seven thousand, four hundred twelve".