199854548 has 12 divisors (see below), whose sum is σ = 349852020. Its totient is φ = 99896832.

The previous prime is 199854539. The next prime is 199854593. The reversal of 199854548 is 845458991.

It can be written as a sum of positive squares in 2 ways, for example, as 63712324 + 136142224 = 7982^2 + 11668^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 199854548.

It is a congruent number.

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, 13940 + ... + 24372.

It is an arithmetic number, because the mean of its divisors is an integer number (29154335).

Almost surely, 2^199854548 is an apocalyptic number.

It is an amenable number.

199854548 is a deficient number, since it is larger than the sum of its proper divisors (149997472).

199854548 is a wasteful number, since it uses less digits than its factorization.

199854548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15226 (or 15224 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 53.

The square root of 199854548 is about 14136.9921836294. The cubic root of 199854548 is about 584.6617451852.

The spelling of 199854548 in words is "one hundred ninety-nine million, eight hundred fifty-four thousand, five hundred forty-eight".