258530142 has 48 divisors (see below), whose sum is σ = 575542800. Its totient is φ = 76959360.

The previous prime is 258530141. The next prime is 258530149. The reversal of 258530142 is 241035852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258530141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73234 + ... + 76682.

It is an arithmetic number, because the mean of its divisors is an integer number (11990475).

Almost surely, 2^258530142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 258530142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287771400).

258530142 is an abundant number, since it is smaller than the sum of its proper divisors (317012658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

258530142 is a wasteful number, since it uses less digits than its factorization.

258530142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3529 (or 3498 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 258530142 is about 16078.8725351002. The cubic root of 258530142 is about 637.0454158715.

Adding to 258530142 its reverse (241035852), we get a palindrome (499565994).

The spelling of 258530142 in words is "two hundred fifty-eight million, five hundred thirty thousand, one hundred forty-two".