445105122 has 48 divisors (see below), whose sum is σ = 1129699872. Its totient is φ = 115610880.

The previous prime is 445105117. The next prime is 445105139. The reversal of 445105122 is 221501544.

It is a junction number, because it is equal to n+sod(n) for n = 445105092 and 445105101.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65583 + ... + 72050.

It is an arithmetic number, because the mean of its divisors is an integer number (23535414).

Almost surely, 2^445105122 is an apocalyptic number.

445105122 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

445105122 is an abundant number, since it is smaller than the sum of its proper divisors (684594750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

445105122 is a wasteful number, since it uses less digits than its factorization.

445105122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137663 (or 137656 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 445105122 is about 21097.5145929562. The cubic root of 445105122 is about 763.5207846541.

Adding to 445105122 its reverse (221501544), we get a palindrome (666606666).

The spelling of 445105122 in words is "four hundred forty-five million, one hundred five thousand, one hundred twenty-two".