445423635 has 48 divisors (see below), whose sum is σ = 813803328. Its totient is φ = 224928000.

The previous prime is 445423633. The next prime is 445423639. The reversal of 445423635 is 536324544.

It is not a de Polignac number, because 445423635 - 2¹ = 445423633 is a prime.

It is a super-2 number, since 2×445423635² = 396804429233226450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 445423635.

It is not an unprimeable number, because it can be changed into a prime (445423633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 102405 + ... + 106665.

It is an arithmetic number, because the mean of its divisors is an integer number (16954236).

Almost surely, 2^445423635 is an apocalyptic number.

445423635 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

445423635 is a deficient number, since it is larger than the sum of its proper divisors (368379693).

445423635 is a wasteful number, since it uses less digits than its factorization.

445423635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4396 (or 4393 counting only the distinct ones).

The product of its digits is 172800, while the sum is 36.

The square root of 445423635 is about 21105.0618335981. The cubic root of 445423635 is about 763.7028639714.

Subtracting 445423635 from its reverse (536324544), we obtain a palindrome (90900909).

The spelling of 445423635 in words is "four hundred forty-five million, four hundred twenty-three thousand, six hundred thirty-five".