196745 has 12 divisors (see below), whose sum is σ = 251460. Its totient is φ = 147744.

The previous prime is 196739. The next prime is 196751. The reversal of 196745 is 547691.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (196739) and next prime (196751).

It can be written as a sum of positive squares in 2 ways, for example, as 104329 + 92416 = 323^2 + 304^2 .

It is not a de Polignac number, because 196745 - 2⁶ = 196681 is a prime.

It is a plaindrome in base 11.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1751 + ... + 1859.

It is an arithmetic number, because the mean of its divisors is an integer number (20955).

196745 is a Friedman number, since it can be written as (9^4*6-17)*5, using all its digits and the basic arithmetic operations.

2¹⁹⁶⁷⁴⁵ is an apocalyptic number.

It is an amenable number.

196745 is a deficient number, since it is larger than the sum of its proper divisors (54715).

196745 is a wasteful number, since it uses less digits than its factorization.

196745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152 (or 133 counting only the distinct ones).

The product of its digits is 7560, while the sum is 32.

The square root of 196745 is about 443.5594661373. The cubic root of 196745 is about 58.1613619937.

The spelling of 196745 in words is "one hundred ninety-six thousand, seven hundred forty-five".