445230198 has 24 divisors (see below), whose sum is σ = 1102475088. Its totient is φ = 127208592.

The previous prime is 445230197. The next prime is 445230199. The reversal of 445230198 is 891032544.

445230198 is a `hidden beast` number, since 44 + 523 + 0 + 1 + 98 = 666.

It is an interprime number because it is at equal distance from previous prime (445230197) and next prime (445230199).

It is a super-2 number, since 2×445230198² = 396459858422238408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445230197) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1766661 + ... + 1766912.

It is an arithmetic number, because the mean of its divisors is an integer number (45936462).

Almost surely, 2^445230198 is an apocalyptic number.

445230198 is an abundant number, since it is smaller than the sum of its proper divisors (657244890).

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

445230198 is a wasteful number, since it uses less digits than its factorization.

445230198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3533588 (or 3533585 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 445230198 is about 21100.4786201640. The cubic root of 445230198 is about 763.5922952383.

The spelling of 445230198 in words is "four hundred forty-five million, two hundred thirty thousand, one hundred ninety-eight".