195453 has 20 divisors (see below), whose sum is σ = 309760. Its totient is φ = 122472.

The previous prime is 195443. The next prime is 195457. The reversal of 195453 is 354591.

195453 is nontrivially palindromic in base 2 and base 8.

It is not a de Polignac number, because 195453 - 2⁶ = 195389 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195457) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1476 + ... + 1602.

It is an arithmetic number, because the mean of its divisors is an integer number (15488).

2¹⁹⁵⁴⁵³ is an apocalyptic number.

It is an amenable number.

195453 is a deficient number, since it is larger than the sum of its proper divisors (114307).

195453 is a wasteful number, since it uses less digits than its factorization.

195453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 149 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 195453 is about 442.1006672693. The cubic root of 195453 is about 58.0337694744.

The spelling of 195453 in words is "one hundred ninety-five thousand, four hundred fifty-three".