196145293 has 4 divisors (see below), whose sum is σ = 196173568. Its totient is φ = 196117020.

The previous prime is 196145291. The next prime is 196145297. The reversal of 196145293 is 392541691.

196145293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 196145293 - 2¹ = 196145291 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196145291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4180 + ... + 20242.

It is an arithmetic number, because the mean of its divisors is an integer number (49043392).

Almost surely, 2^196145293 is an apocalyptic number.

It is an amenable number.

196145293 is a deficient number, since it is larger than the sum of its proper divisors (28275).

196145293 is a wasteful number, since it uses less digits than its factorization.

196145293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28274.

The product of its digits is 58320, while the sum is 40.

The square root of 196145293 is about 14005.1880744244. The cubic root of 196145293 is about 581.0220712216.

The spelling of 196145293 in words is "one hundred ninety-six million, one hundred forty-five thousand, two hundred ninety-three".