254145 has 8 divisors (see below), whose sum is σ = 406656. Its totient is φ = 135536.

The previous prime is 254141. The next prime is 254147. The reversal of 254145 is 541452.

254145 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 254145 - 2² = 254141 is a prime.

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

254145 is strictly pandigital in base 7.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 254145.

It is not an unprimeable number, because it can be changed into a prime (254141) 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, 8457 + ... + 8486.

It is an arithmetic number, because the mean of its divisors is an integer number (50832).

2²⁵⁴¹⁴⁵ is an apocalyptic number.

It is an amenable number.

254145 is a deficient number, since it is larger than the sum of its proper divisors (152511).

254145 is a wasteful number, since it uses less digits than its factorization.

254145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16951.

The product of its digits is 800, while the sum is 21.

The square root of 254145 is about 504.1279599467. The cubic root of 254145 is about 63.3423040540.

Adding to 254145 its reverse (541452), we get a palindrome (795597).

The spelling of 254145 in words is "two hundred fifty-four thousand, one hundred forty-five".