193963145 has 8 divisors (see below), whose sum is σ = 232832256. Its totient is φ = 155119536.

The previous prime is 193963141. The next prime is 193963151. The reversal of 193963145 is 541369391.

193963145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 193963145 - 2² = 193963141 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (193963141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21254 + ... + 28976.

It is an arithmetic number, because the mean of its divisors is an integer number (29104032).

Almost surely, 2^193963145 is an apocalyptic number.

It is an amenable number.

193963145 is a deficient number, since it is larger than the sum of its proper divisors (38869111).

193963145 is an equidigital number, since it uses as much as digits as its factorization.

193963145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12751.

The product of its digits is 87480, while the sum is 41.

The square root of 193963145 is about 13927.0651969466. The cubic root of 193963145 is about 578.8593764423.

The spelling of 193963145 in words is "one hundred ninety-three million, nine hundred sixty-three thousand, one hundred forty-five".