203842158 has 16 divisors (see below), whose sum is σ = 439044816. Its totient is φ = 62720640.

The previous prime is 203842117. The next prime is 203842159. The reversal of 203842158 is 851248302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203842159) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1306603 + ... + 1306758.

It is an arithmetic number, because the mean of its divisors is an integer number (27440301).

Almost surely, 2^203842158 is an apocalyptic number.

203842158 is an abundant number, since it is smaller than the sum of its proper divisors (235202658).

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

203842158 is a wasteful number, since it uses less digits than its factorization.

203842158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2613379.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 203842158 is about 14277.3302126133. The cubic root of 203842158 is about 588.5246659105.

The spelling of 203842158 in words is "two hundred three million, eight hundred forty-two thousand, one hundred fifty-eight".