199544452 has 12 divisors (see below), whose sum is σ = 350976780. Its totient is φ = 99265376.

The previous prime is 199544413. The next prime is 199544483. The reversal of 199544452 is 254445991.

199544452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 195608196 + 3936256 = 13986^2 + 1984^2 .

It is a junction number, because it is equal to n+sod(n) for n = 199544399 and 199544408.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125827 + ... + 127402.

It is an arithmetic number, because the mean of its divisors is an integer number (29248065).

Almost surely, 2^199544452 is an apocalyptic number.

It is an amenable number.

199544452 is a deficient number, since it is larger than the sum of its proper divisors (151432328).

199544452 is a wasteful number, since it uses less digits than its factorization.

199544452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253430 (or 253428 counting only the distinct ones).

The product of its digits is 259200, while the sum is 43.

The square root of 199544452 is about 14126.0203879224. The cubic root of 199544452 is about 584.3591999579.

The spelling of 199544452 in words is "one hundred ninety-nine million, five hundred forty-four thousand, four hundred fifty-two".