445145312330 has 16 divisors (see below), whose sum is σ = 809194846824. Its totient is φ = 176295172800.

The previous prime is 445145312317. The next prime is 445145312371. The reversal of 445145312330 is 33213541544.

It can be written as a sum of positive squares in 4 ways, for example, as 443219068009 + 1926244321 = 665747^2 + 43889^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220367957 + ... + 220369976.

Almost surely, 2^445145312330 is an apocalyptic number.

445145312330 is a deficient number, since it is larger than the sum of its proper divisors (364049534494).

445145312330 is a wasteful number, since it uses less digits than its factorization.

445145312330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440738041.

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 445145312330 its reverse (33213541544), we get a palindrome (478358853874).

The spelling of 445145312330 in words is "four hundred forty-five billion, one hundred forty-five million, three hundred twelve thousand, three hundred thirty".