445939452 has 96 divisors (see below), whose sum is σ = 1353623040. Its totient is φ = 124295040.

The previous prime is 445939451. The next prime is 445939469. The reversal of 445939452 is 254939544.

445939452 is a `hidden beast` number, since 4 + 4 + 593 + 9 + 4 + 52 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 445939398 and 445939407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445939451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23803 + ... + 38189.

It is an arithmetic number, because the mean of its divisors is an integer number (14100240).

Almost surely, 2^445939452 is an apocalyptic number.

445939452 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 445939452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (676811520).

445939452 is an abundant number, since it is smaller than the sum of its proper divisors (907683588).

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

445939452 is a wasteful number, since it uses less digits than its factorization.

445939452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14448 (or 14440 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The square root of 445939452 is about 21117.2785178394. The cubic root of 445939452 is about 763.9975489446.

It can be divided in two parts, 44593 and 9452, that added together give a palindrome (54045).

The spelling of 445939452 in words is "four hundred forty-five million, nine hundred thirty-nine thousand, four hundred fifty-two".