445320105 has 16 divisors (see below), whose sum is σ = 713986944. Its totient is φ = 237012480.

The previous prime is 445320103. The next prime is 445320131. The reversal of 445320105 is 501023544.

It is not a de Polignac number, because 445320105 - 2¹ = 445320103 is a prime.

It is a super-2 number, since 2×445320105² = 396619991834422050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (445320101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23176 + ... + 37785.

It is an arithmetic number, because the mean of its divisors is an integer number (44624184).

Almost surely, 2^445320105 is an apocalyptic number.

It is an amenable number.

445320105 is a deficient number, since it is larger than the sum of its proper divisors (268666839).

445320105 is a wasteful number, since it uses less digits than its factorization.

445320105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61456.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 445320105 is about 21102.6089619270. The cubic root of 445320105 is about 763.6436901289.

Adding to 445320105 its reverse (501023544), we get a palindrome (946343649).

The spelling of 445320105 in words is "four hundred forty-five million, three hundred twenty thousand, one hundred five".