203242158 has 24 divisors (see below), whose sum is σ = 503266608. Its totient is φ = 58069152.

The previous prime is 203242133. The next prime is 203242159. The reversal of 203242158 is 851242302.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203242159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 806391 + ... + 806642.

It is an arithmetic number, because the mean of its divisors is an integer number (20969442).

Almost surely, 2^203242158 is an apocalyptic number.

203242158 is an abundant number, since it is smaller than the sum of its proper divisors (300024450).

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

203242158 is a wasteful number, since it uses less digits than its factorization.

203242158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613048 (or 1613045 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 203242158 is about 14256.3023957827. The cubic root of 203242158 is about 587.9466666884.

The spelling of 203242158 in words is "two hundred three million, two hundred forty-two thousand, one hundred fifty-eight".