194145 has 24 divisors (see below), whose sum is σ = 363456. Its totient is φ = 86688.

The previous prime is 194141. The next prime is 194149. The reversal of 194145 is 541491.

It is an interprime number because it is at equal distance from previous prime (194141) and next prime (194149).

It is not a de Polignac number, because 194145 - 2² = 194141 is a prime.

194145 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (194141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4494 + ... + 4536.

It is an arithmetic number, because the mean of its divisors is an integer number (15144).

2¹⁹⁴¹⁴⁵ is an apocalyptic number.

194145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

194145 is a deficient number, since it is larger than the sum of its proper divisors (169311).

194145 is an equidigital number, since it uses as much as digits as its factorization.

194145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101 (or 58 counting only the distinct ones).

The product of its digits is 720, while the sum is 24.

The square root of 194145 is about 440.6188829363. The cubic root of 194145 is about 57.9040227964.

The spelling of 194145 in words is "one hundred ninety-four thousand, one hundred forty-five".