258340158 has 32 divisors (see below), whose sum is σ = 579467520. Its totient is φ = 85306680.

The previous prime is 258340133. The next prime is 258340213. The reversal of 258340158 is 851043852.

It is a happy number.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16578 + ... + 28133.

It is an arithmetic number, because the mean of its divisors is an integer number (18108360).

Almost surely, 2^258340158 is an apocalyptic number.

258340158 is an abundant number, since it is smaller than the sum of its proper divisors (321127362).

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

258340158 is a wasteful number, since it uses less digits than its factorization.

258340158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44829 (or 44823 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 258340158 is about 16072.9635724094. The cubic root of 258340158 is about 636.8893307901.

The spelling of 258340158 in words is "two hundred fifty-eight million, three hundred forty thousand, one hundred fifty-eight".