195745 has 8 divisors (see below), whose sum is σ = 256320. Its totient is φ = 142320.

The previous prime is 195743. The next prime is 195751. The reversal of 195745 is 547591.

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

It is not a de Polignac number, because 195745 - 2¹ = 195743 is a prime.

It is a super-2 number, since 2×195745² = 76632210050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (195743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1725 + ... + 1834.

It is an arithmetic number, because the mean of its divisors is an integer number (32040).

2¹⁹⁵⁷⁴⁵ is an apocalyptic number.

It is an amenable number.

195745 is a deficient number, since it is larger than the sum of its proper divisors (60575).

195745 is a wasteful number, since it uses less digits than its factorization.

195745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3575.

The product of its digits is 6300, while the sum is 31.

The square root of 195745 is about 442.4307855473. The cubic root of 195745 is about 58.0626552404.

It can be divided in two parts, 1957 and 45, that added together give a palindrome (2002).

The spelling of 195745 in words is "one hundred ninety-five thousand, seven hundred forty-five".