445235130 has 80 divisors (see below), whose sum is σ = 1200618144. Its totient is φ = 118389600.

The previous prime is 445235123. The next prime is 445235149. The reversal of 445235130 is 31532544.

445235130 is a `hidden beast` number, since 4 + 4 + 523 + 5 + 130 = 666.

It is a super-2 number, since 2×445235130² = 396468641972233800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 445235094 and 445235103.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 423105 + ... + 424155.

Almost surely, 2^445235130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 445235130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (600309072).

445235130 is an abundant number, since it is smaller than the sum of its proper divisors (755383014).

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

445235130 is a wasteful number, since it uses less digits than its factorization.

445235130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1593 (or 1584 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 445235130 is about 21100.5954892273. The cubic root of 445235130 is about 763.5951147710.

Adding to 445235130 its reverse (31532544), we get a palindrome (476767674).

The spelling of 445235130 in words is "four hundred forty-five million, two hundred thirty-five thousand, one hundred thirty".