445134130 has 48 divisors (see below), whose sum is σ = 954832536. Its totient is φ = 148888320.

The previous prime is 445134113. The next prime is 445134149. The reversal of 445134130 is 31431544.

It can be written as a sum of positive squares in 4 ways, for example, as 323892009 + 121242121 = 17997^2 + 11011^2 .

It is a junction number, because it is equal to n+sod(n) for n = 445134095 and 445134104.

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, 9012 + ... + 31168.

Almost surely, 2^445134130 is an apocalyptic number.

445134130 is an abundant number, since it is smaller than the sum of its proper divisors (509698406).

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

445134130 is a wasteful number, since it uses less digits than its factorization.

445134130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22219 (or 22212 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 445134130 is about 21098.2020560995. The cubic root of 445134130 is about 763.5373707957.

Adding to 445134130 its reverse (31431544), we get a palindrome (476565674).

The spelling of 445134130 in words is "four hundred forty-five million, one hundred thirty-four thousand, one hundred thirty".