445525330 has 8 divisors (see below), whose sum is σ = 801945612. Its totient is φ = 178210128.

The previous prime is 445525321. The next prime is 445525331. The reversal of 445525330 is 33525544.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 445505449 + 19881 = 21107^2 + 141^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 445525292 and 445525301.

It is not an unprimeable number, because it can be changed into a prime (445525331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22276257 + ... + 22276276.

Almost surely, 2^445525330 is an apocalyptic number.

445525330 is a deficient number, since it is larger than the sum of its proper divisors (356420282).

445525330 is a wasteful number, since it uses less digits than its factorization.

445525330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44552540.

The product of its (nonzero) digits is 36000, while the sum is 31.

The square root of 445525330 is about 21107.4709522482. The cubic root of 445525330 is about 763.7609800710.

The spelling of 445525330 in words is "four hundred forty-five million, five hundred twenty-five thousand, three hundred thirty".