445252608 has 66 divisors (see below), whose sum is σ = 1285683854. Its totient is φ = 148414464.

The previous prime is 445252589. The next prime is 445252609. The reversal of 445252608 is 806252544.

It is a happy number.

445252608 is a `hidden beast` number, since 4 + 45 + 2 + 5 + 2 + 608 = 666.

It can be written as a sum of positive squares in only one way, i.e., 339738624 + 105513984 = 18432^2 + 10272^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (445252609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14941 + ... + 33372.

Almost surely, 2^445252608 is an apocalyptic number.

445252608 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

445252608 is an abundant number, since it is smaller than the sum of its proper divisors (840431246).

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

445252608 is a wasteful number, since it uses less digits than its factorization.

445252608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48339 (or 48318 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The square root of 445252608 is about 21101.0096440905. The cubic root of 445252608 is about 763.6051064510.

The spelling of 445252608 in words is "four hundred forty-five million, two hundred fifty-two thousand, six hundred eight".