199144232 has 24 divisors (see below), whose sum is σ = 434358810. Its totient is φ = 85347360.

The previous prime is 199144213. The next prime is 199144237. The reversal of 199144232 is 232441991.

It can be written as a sum of positive squares in only one way, i.e., 113507716 + 85636516 = 10654^2 + 9254^2 .

It is a junction number, because it is equal to n+sod(n) for n = 199144192 and 199144201.

It is not an unprimeable number, because it can be changed into a prime (199144237) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 253619 + ... + 254402.

Almost surely, 2^199144232 is an apocalyptic number.

It is an amenable number.

199144232 is an abundant number, since it is smaller than the sum of its proper divisors (235214578).

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

199144232 is a wasteful number, since it uses less digits than its factorization.

199144232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508041 (or 508030 counting only the distinct ones).

The product of its digits is 15552, while the sum is 35.

The square root of 199144232 is about 14111.8472213952. The cubic root of 199144232 is about 583.9682615516.

The spelling of 199144232 in words is "one hundred ninety-nine million, one hundred forty-four thousand, two hundred thirty-two".