196144045 has 8 divisors (see below), whose sum is σ = 249218424. Its totient is φ = 147684864.

The previous prime is 196144031. The next prime is 196144057. The reversal of 196144045 is 540441691.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 59768361 + 136375684 = 7731^2 + 11678^2 .

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 196144045 - 2⁷ = 196143917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 196144045.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1153704 + ... + 1153873.

It is an arithmetic number, because the mean of its divisors is an integer number (31152303).

Almost surely, 2^196144045 is an apocalyptic number.

It is an amenable number.

196144045 is a deficient number, since it is larger than the sum of its proper divisors (53074379).

196144045 is a wasteful number, since it uses less digits than its factorization.

196144045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2307599.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 196144045 is about 14005.1435194360. The cubic root of 196144045 is about 581.0208389428.

The spelling of 196144045 in words is "one hundred ninety-six million, one hundred forty-four thousand, forty-five".