202143340142 has 8 divisors (see below), whose sum is σ = 303255946632. Its totient is φ = 101058024600.

The previous prime is 202143340099. The next prime is 202143340151. The reversal of 202143340142 is 241043341202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6804209 + ... + 6833852.

It is an arithmetic number, because the mean of its divisors is an integer number (37906993329).

Almost surely, 2^202143340142 is an apocalyptic number.

202143340142 is a deficient number, since it is larger than the sum of its proper divisors (101112606490).

202143340142 is a wasteful number, since it uses less digits than its factorization.

202143340142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13645474.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 202143340142 its reverse (241043341202), we get a palindrome (443186681344).

The spelling of 202143340142 in words is "two hundred two billion, one hundred forty-three million, three hundred forty thousand, one hundred forty-two".