445303053 has 12 divisors (see below), whose sum is σ = 692693820. Its totient is φ = 274032576.

The previous prime is 445303043. The next prime is 445303073. The reversal of 445303053 is 350303544.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 67272804 + 378030249 = 8202^2 + 19443^2 .

It is not a de Polignac number, because 445303053 - 2⁴ = 445303037 is a prime.

It is a super-2 number, since 2×445303053² = 396589618022241618, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445303043) 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 11 ways as a sum of consecutive naturals, for example, 1902888 + ... + 1903121.

It is an arithmetic number, because the mean of its divisors is an integer number (57724485).

Almost surely, 2^445303053 is an apocalyptic number.

It is an amenable number.

445303053 is a deficient number, since it is larger than the sum of its proper divisors (247390767).

445303053 is a wasteful number, since it uses less digits than its factorization.

445303053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3806028 (or 3806025 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

The square root of 445303053 is about 21102.2049321866. The cubic root of 445303053 is about 763.6339429693.

Adding to 445303053 its reverse (350303544), we get a palindrome (795606597).

The spelling of 445303053 in words is "four hundred forty-five million, three hundred three thousand, fifty-three".