258336142 has 4 divisors (see below), whose sum is σ = 387504216. Its totient is φ = 129168070.

The previous prime is 258336139. The next prime is 258336149. The reversal of 258336142 is 241633852.

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

It is a junction number, because it is equal to n+sod(n) for n = 258336098 and 258336107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258336149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64584034 + ... + 64584037.

It is an arithmetic number, because the mean of its divisors is an integer number (96876054).

Almost surely, 2^258336142 is an apocalyptic number.

258336142 is a deficient number, since it is larger than the sum of its proper divisors (129168074).

258336142 is a wasteful number, since it uses less digits than its factorization.

258336142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129168073.

The product of its digits is 34560, while the sum is 34.

The square root of 258336142 is about 16072.8386416339. The cubic root of 258336142 is about 636.8860305407.

Adding to 258336142 its reverse (241633852), we get a palindrome (499969994).

It can be divided in two parts, 258 and 336142, that added together give a square (336400 = 580²).

The spelling of 258336142 in words is "two hundred fifty-eight million, three hundred thirty-six thousand, one hundred forty-two".