193144332 has 12 divisors (see below), whose sum is σ = 450670136. Its totient is φ = 64381440.

The previous prime is 193144331. The next prime is 193144337. The reversal of 193144332 is 233441391.

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

It is a self number, because there is not a number n which added to its sum of digits gives 193144332.

It is not an unprimeable number, because it can be changed into a prime (193144331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8047669 + ... + 8047692.

Almost surely, 2^193144332 is an apocalyptic number.

193144332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

193144332 is an abundant number, since it is smaller than the sum of its proper divisors (257525804).

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

193144332 is a wasteful number, since it uses less digits than its factorization.

193144332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16095368 (or 16095366 counting only the distinct ones).

The product of its digits is 7776, while the sum is 30.

The square root of 193144332 is about 13897.6376409806. The cubic root of 193144332 is about 578.0436783282.

The spelling of 193144332 in words is "one hundred ninety-three million, one hundred forty-four thousand, three hundred thirty-two".