254045 has 16 divisors (see below), whose sum is σ = 345600. Its totient is φ = 177600.

The previous prime is 254041. The next prime is 254047. The reversal of 254045 is 540452.

254045 = 290² + 291² + 292².

It is a happy number.

It is not a de Polignac number, because 254045 - 2² = 254041 is a prime.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 254045.

It is not an unprimeable number, because it can be changed into a prime (254041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1631 + ... + 1779.

It is an arithmetic number, because the mean of its divisors is an integer number (21600).

2²⁵⁴⁰⁴⁵ is an apocalyptic number.

It is an amenable number.

254045 is a deficient number, since it is larger than the sum of its proper divisors (91555).

254045 is a wasteful number, since it uses less digits than its factorization.

254045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 254045 is about 504.0287690202. The cubic root of 254045 is about 63.3339950685. Note that the first 3 decimals are identical.

Adding to 254045 its reverse (540452), we get a palindrome (794497).

The spelling of 254045 in words is "two hundred fifty-four thousand, forty-five".