199545132 has 12 divisors (see below), whose sum is σ = 465605336. Its totient is φ = 66515040.

The previous prime is 199545131. The next prime is 199545169. The reversal of 199545132 is 231545991.

199545132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (199545131) 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, 8314369 + ... + 8314392.

Almost surely, 2^199545132 is an apocalyptic number.

199545132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

199545132 is an abundant number, since it is smaller than the sum of its proper divisors (266060204).

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

199545132 is a wasteful number, since it uses less digits than its factorization.

199545132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16628768 (or 16628766 counting only the distinct ones).

The product of its digits is 48600, while the sum is 39.

The square root of 199545132 is about 14126.0444569596. The cubic root of 199545132 is about 584.3598637429.

The spelling of 199545132 in words is "one hundred ninety-nine million, five hundred forty-five thousand, one hundred thirty-two".