196045 has 4 divisors (see below), whose sum is σ = 235260. Its totient is φ = 156832.

The previous prime is 196043. The next prime is 196051. The reversal of 196045 is 540691.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 139876 + 56169 = 374^2 + 237^2 .

It is a cyclic number.

It is not a de Polignac number, because 196045 - 2¹ = 196043 is a prime.

196045 is a lucky number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19600 + ... + 19609.

It is an arithmetic number, because the mean of its divisors is an integer number (58815).

2¹⁹⁶⁰⁴⁵ is an apocalyptic number.

It is an amenable number.

196045 is a deficient number, since it is larger than the sum of its proper divisors (39215).

196045 is an equidigital number, since it uses as much as digits as its factorization.

196045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39214.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 196045 is about 442.7696918263. The cubic root of 196045 is about 58.0923024947.

The spelling of 196045 in words is "one hundred ninety-six thousand, forty-five".