445632052 has 12 divisors (see below), whose sum is σ = 781949476. Its totient is φ = 222217920.

The previous prime is 445632049. The next prime is 445632053. The reversal of 445632052 is 250236544.

It can be written as a sum of positive squares in 2 ways, for example, as 204947856 + 240684196 = 14316^2 + 15514^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445632053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147849 + ... + 150832.

Almost surely, 2^445632052 is an apocalyptic number.

It is an amenable number.

445632052 is a deficient number, since it is larger than the sum of its proper divisors (336317424).

445632052 is a wasteful number, since it uses less digits than its factorization.

445632052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299058 (or 299056 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 445632052 is about 21109.9988630980. The cubic root of 445632052 is about 763.8219594634.

Adding to 445632052 its reverse (250236544), we get a palindrome (695868596).

The spelling of 445632052 in words is "four hundred forty-five million, six hundred thirty-two thousand, fifty-two".