199301445 has 32 divisors (see below), whose sum is σ = 404931840. Its totient is φ = 91108800.

The previous prime is 199301441. The next prime is 199301447. The reversal of 199301445 is 544103991.

It is a happy number.

It is not a de Polignac number, because 199301445 - 2² = 199301441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199301441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104506 + ... + 106395.

It is an arithmetic number, because the mean of its divisors is an integer number (12654120).

Almost surely, 2^199301445 is an apocalyptic number.

199301445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

199301445 is an abundant number, since it is smaller than the sum of its proper divisors (205630395).

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

199301445 is a wasteful number, since it uses less digits than its factorization.

199301445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210922 (or 210916 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 199301445 is about 14117.4163712770. The cubic root of 199301445 is about 584.1218909974.

The spelling of 199301445 in words is "one hundred ninety-nine million, three hundred one thousand, four hundred forty-five".