258045 has 8 divisors (see below), whose sum is σ = 412896. Its totient is φ = 137616.

The previous prime is 258031. The next prime is 258061. The reversal of 258045 is 540852.

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

It is not a de Polignac number, because 258045 - 2⁶ = 257981 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8587 + ... + 8616.

It is an arithmetic number, because the mean of its divisors is an integer number (51612).

2²⁵⁸⁰⁴⁵ is an apocalyptic number.

It is an amenable number.

258045 is a deficient number, since it is larger than the sum of its proper divisors (154851).

258045 is a wasteful number, since it uses less digits than its factorization.

258045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17211.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 258045 is about 507.9812988684. The cubic root of 258045 is about 63.6646686080.

Adding to 258045 its reverse (540852), we get a palindrome (798897).

The spelling of 258045 in words is "two hundred fifty-eight thousand, forty-five".