203807142 has 48 divisors (see below), whose sum is σ = 550547712. Its totient is φ = 52936560.

The previous prime is 203807119. The next prime is 203807159. The reversal of 203807142 is 241708302.

203807142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×203807142² = 83074702260416328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72138 + ... + 74909.

It is an arithmetic number, because the mean of its divisors is an integer number (11469744).

Almost surely, 2^203807142 is an apocalyptic number.

203807142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

203807142 is an abundant number, since it is smaller than the sum of its proper divisors (346740570).

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

203807142 is a wasteful number, since it uses less digits than its factorization.

203807142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147073 (or 147070 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 203807142 is about 14276.1038802609. The cubic root of 203807142 is about 588.4909650640.

The spelling of 203807142 in words is "two hundred three million, eight hundred seven thousand, one hundred forty-two".