445213500 has 96 divisors (see below), whose sum is σ = 1302170688. Its totient is φ = 118201600.

The previous prime is 445213487. The next prime is 445213541. The reversal of 445213500 is 5312544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 438994 + ... + 440006.

It is an arithmetic number, because the mean of its divisors is an integer number (13564278).

Almost surely, 2^445213500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 445213500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (651085344).

445213500 is an abundant number, since it is smaller than the sum of its proper divisors (856957188).

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

445213500 is a wasteful number, since it uses less digits than its factorization.

445213500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328 (or 1316 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 445213500 is about 21100.0829382256. The cubic root of 445213500 is about 763.5827491476.

The spelling of 445213500 in words is "four hundred forty-five million, two hundred thirteen thousand, five hundred".