202305142 has 16 divisors (see below), whose sum is σ = 327040560. Its totient is φ = 93303072.

The previous prime is 202305137. The next prime is 202305149. The reversal of 202305142 is 241503202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202305149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56584 + ... + 60052.

It is an arithmetic number, because the mean of its divisors is an integer number (20440035).

Almost surely, 2^202305142 is an apocalyptic number.

202305142 is a deficient number, since it is larger than the sum of its proper divisors (124735418).

202305142 is a wasteful number, since it uses less digits than its factorization.

202305142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5727.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 202305142 is about 14223.4012106809. The cubic root of 202305142 is about 587.0417293618.

Adding to 202305142 its reverse (241503202), we get a palindrome (443808344).

The spelling of 202305142 in words is "two hundred two million, three hundred five thousand, one hundred forty-two".