445241320 has 32 divisors (see below), whose sum is σ = 1002796200. Its totient is φ = 177918208.

The previous prime is 445241311. The next prime is 445241323. The reversal of 445241320 is 23142544.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 182088036 + 263153284 = 13494^2 + 16222^2 .

It is not an unprimeable number, because it can be changed into a prime (445241323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39342 + ... + 49378.

Almost surely, 2^445241320 is an apocalyptic number.

445241320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

445241320 is an abundant number, since it is smaller than the sum of its proper divisors (557554880).

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

445241320 is a wasteful number, since it uses less digits than its factorization.

445241320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11157 (or 11153 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 445241320 is about 21100.7421670424. The cubic root of 445241320 is about 763.5986534494.

Adding to 445241320 its reverse (23142544), we get a palindrome (468383864).

The spelling of 445241320 in words is "four hundred forty-five million, two hundred forty-one thousand, three hundred twenty".