196445 has 8 divisors (see below), whose sum is σ = 238680. Its totient is φ = 155200.

The previous prime is 196439. The next prime is 196453. The reversal of 196445 is 544691.

It can be written as a sum of positive squares in 4 ways, for example, as 41209 + 155236 = 203^2 + 394^2 .

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

It is not a de Polignac number, because 196445 - 2⁴ = 196429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311 + ... + 699.

It is an arithmetic number, because the mean of its divisors is an integer number (29835).

2¹⁹⁶⁴⁴⁵ is an apocalyptic number.

It is an amenable number.

196445 is a deficient number, since it is larger than the sum of its proper divisors (42235).

196445 is a wasteful number, since it uses less digits than its factorization.

196445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495.

The product of its digits is 4320, while the sum is 29.

The square root of 196445 is about 443.2211637546. The cubic root of 196445 is about 58.1317851562.

The spelling of 196445 in words is "one hundred ninety-six thousand, four hundred forty-five".