239045 has 4 divisors (see below), whose sum is σ = 286860. Its totient is φ = 191232.

The previous prime is 239027. The next prime is 239053. The reversal of 239045 is 540932.

239045 is nontrivially palindromic in base 6.

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

It can be written as a sum of positive squares in 2 ways, for example, as 43681 + 195364 = 209^2 + 442^2 .

It is a cyclic number.

It is not a de Polignac number, because 239045 - 2⁸ = 238789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 239045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23900 + ... + 23909.

It is an arithmetic number, because the mean of its divisors is an integer number (71715).

2²³⁹⁰⁴⁵ is an apocalyptic number.

It is an amenable number.

239045 is a deficient number, since it is larger than the sum of its proper divisors (47815).

239045 is an equidigital number, since it uses as much as digits as its factorization.

239045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47814.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 239045 is about 488.9222842129. The cubic root of 239045 is about 62.0621125718.

Adding to 239045 its reverse (540932), we get a palindrome (779977).

The spelling of 239045 in words is "two hundred thirty-nine thousand, forty-five".