189454 has 4 divisors (see below), whose sum is σ = 284184. Its totient is φ = 94726.

The previous prime is 189439. The next prime is 189463. The reversal of 189454 is 454981.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47362 + ... + 47365.

It is an arithmetic number, because the mean of its divisors is an integer number (71046).

2¹⁸⁹⁴⁵⁴ is an apocalyptic number.

189454 is a deficient number, since it is larger than the sum of its proper divisors (94730).

189454 is an equidigital number, since it uses as much as digits as its factorization.

189454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94729.

The product of its digits is 5760, while the sum is 31.

The square root of 189454 is about 435.2631388023. The cubic root of 189454 is about 57.4338495728.

The spelling of 189454 in words is "one hundred eighty-nine thousand, four hundred fifty-four".