445814548 has 6 divisors (see below), whose sum is σ = 780175466. Its totient is φ = 222907272.

The previous prime is 445814533. The next prime is 445814549. The reversal of 445814548 is 845418544.

It can be written as a sum of positive squares in only one way, i.e., 410791824 + 35022724 = 20268^2 + 5918^2 .

It is a super-2 number, since 2×445814548² = 397501222416888608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445814549) 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 as a sum of consecutive naturals, namely, 55726815 + ... + 55726822.

Almost surely, 2^445814548 is an apocalyptic number.

It is an amenable number.

445814548 is a deficient number, since it is larger than the sum of its proper divisors (334360918).

445814548 is a wasteful number, since it uses less digits than its factorization.

445814548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111453641 (or 111453639 counting only the distinct ones).

The product of its digits is 409600, while the sum is 43.

The square root of 445814548 is about 21114.3209220661. The cubic root of 445814548 is about 763.9262124584.

The spelling of 445814548 in words is "four hundred forty-five million, eight hundred fourteen thousand, five hundred forty-eight".