445130120 has 32 divisors (see below), whose sum is σ = 1002763800. Its totient is φ = 177835008.

The previous prime is 445130107. The next prime is 445130131. The reversal of 445130120 is 21031544.

It can be written as a sum of positive squares in 4 ways, for example, as 343805764 + 101324356 = 18542^2 + 10066^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 445130092 and 445130101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28736 + ... + 41424.

Almost surely, 2^445130120 is an apocalyptic number.

445130120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

445130120 is an abundant number, since it is smaller than the sum of its proper divisors (557633680).

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

445130120 is a wasteful number, since it uses less digits than its factorization.

445130120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13577 (or 13573 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 445130120 is about 21098.1070240910. The cubic root of 445130120 is about 763.5350780081.

Adding to 445130120 its reverse (21031544), we get a palindrome (466161664).

The spelling of 445130120 in words is "four hundred forty-five million, one hundred thirty thousand, one hundred twenty".