445415103 has 24 divisors (see below), whose sum is σ = 753226656. Its totient is φ = 248313600.

The previous prime is 445415083. The next prime is 445415153. The reversal of 445415103 is 301514544.

It is a happy number.

It is not a de Polignac number, because 445415103 - 2⁶ = 445415039 is a prime.

It is a super-2 number, since 2×445415103² = 396789227961001218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445415153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83638 + ... + 88803.

It is an arithmetic number, because the mean of its divisors is an integer number (31384444).

Almost surely, 2^445415103 is an apocalyptic number.

445415103 is a deficient number, since it is larger than the sum of its proper divisors (307811553).

445415103 is a wasteful number, since it uses less digits than its factorization.

445415103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172495 (or 172492 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 445415103 is about 21104.8597010262. The cubic root of 445415103 is about 763.6979877488.

Adding to 445415103 its reverse (301514544), we get a palindrome (746929647).

The spelling of 445415103 in words is "four hundred forty-five million, four hundred fifteen thousand, one hundred three".