445352500 has 30 divisors (see below), whose sum is σ = 973902314. Its totient is φ = 178140000.

The previous prime is 445352497. The next prime is 445352543. The reversal of 445352500 is 5253544.

It can be written as a sum of positive squares in 5 ways, for example, as 53787556 + 391564944 = 7334^2 + 19788^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 86571 + ... + 91570.

Almost surely, 2^445352500 is an apocalyptic number.

It is an amenable number.

445352500 is an abundant number, since it is smaller than the sum of its proper divisors (528549814).

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

445352500 is a wasteful number, since it uses less digits than its factorization.

445352500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178165 (or 178148 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 445352500 is about 21103.3765070900. The cubic root of 445352500 is about 763.6622068747.

It can be divided in two parts, 4453 and 52500, that added together give a triangular number (56953 = T₃₃₇).

The spelling of 445352500 in words is "four hundred forty-five million, three hundred fifty-two thousand, five hundred".