243025158 has 32 divisors (see below), whose sum is σ = 493637760. Its totient is φ = 79752960.

The previous prime is 243025127. The next prime is 243025169. The reversal of 243025158 is 851520342.

It is a super-2 number, since 2×243025158² = 118122454841849928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121813 + ... + 123791.

It is an arithmetic number, because the mean of its divisors is an integer number (15426180).

Almost surely, 2^243025158 is an apocalyptic number.

243025158 is an abundant number, since it is smaller than the sum of its proper divisors (250612602).

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

243025158 is a wasteful number, since it uses less digits than its factorization.

243025158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2292.

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

The square root of 243025158 is about 15589.2641904613. The cubic root of 243025158 is about 624.0466814600.

The spelling of 243025158 in words is "two hundred forty-three million, twenty-five thousand, one hundred fifty-eight".