203035142 has 4 divisors (see below), whose sum is σ = 304552716. Its totient is φ = 101517570.

The previous prime is 203035141. The next prime is 203035171. The reversal of 203035142 is 241530302.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203035141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50758784 + ... + 50758787.

It is an arithmetic number, because the mean of its divisors is an integer number (76138179).

Almost surely, 2^203035142 is an apocalyptic number.

203035142 is a deficient number, since it is larger than the sum of its proper divisors (101517574).

203035142 is a wasteful number, since it uses less digits than its factorization.

203035142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101517573.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 203035142 is about 14249.0400378411. The cubic root of 203035142 is about 587.7469776138.

Adding to 203035142 its reverse (241530302), we get a palindrome (444565444).

The spelling of 203035142 in words is "two hundred three million, thirty-five thousand, one hundred forty-two".