197045 has 4 divisors (see below), whose sum is σ = 236460. Its totient is φ = 157632.

The previous prime is 197033. The next prime is 197059. The reversal of 197045 is 540791.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 540791 = 479 ⋅1129.

It can be written as a sum of positive squares in 2 ways, for example, as 88804 + 108241 = 298^2 + 329^2 .

It is a cyclic number.

It is not a de Polignac number, because 197045 - 2¹² = 192949 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 197045.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19700 + ... + 19709.

It is an arithmetic number, because the mean of its divisors is an integer number (59115).

2¹⁹⁷⁰⁴⁵ is an apocalyptic number.

It is an amenable number.

197045 is a deficient number, since it is larger than the sum of its proper divisors (39415).

197045 is an equidigital number, since it uses as much as digits as its factorization.

197045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39414.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 197045 is about 443.8975106936. The cubic root of 197045 is about 58.1909087802.

The spelling of 197045 in words is "one hundred ninety-seven thousand, forty-five".