445340318 has 8 divisors (see below), whose sum is σ = 676059048. Its totient is φ = 219987304.

The previous prime is 445340317. The next prime is 445340323. The reversal of 445340318 is 813043544.

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

It is a super-2 number, since 2×445340318² = 396655997672682248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445340317) 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, 1341221 + ... + 1341552.

It is an arithmetic number, because the mean of its divisors is an integer number (84507381).

Almost surely, 2^445340318 is an apocalyptic number.

445340318 is a deficient number, since it is larger than the sum of its proper divisors (230718730).

445340318 is a wasteful number, since it uses less digits than its factorization.

445340318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2682858.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 445340318 is about 21103.0878783177. The cubic root of 445340318 is about 763.6552438376.

The spelling of 445340318 in words is "four hundred forty-five million, three hundred forty thousand, three hundred eighteen".