202143601 has 12 divisors (see below), whose sum is σ = 228397104. Its totient is φ = 177422000.

The previous prime is 202143589. The next prime is 202143629. The reversal of 202143601 is 106341202.

202143601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 202143601 - 2¹⁵ = 202110833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202143671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1675 + ... + 20176.

It is an arithmetic number, because the mean of its divisors is an integer number (19033092).

Almost surely, 2^202143601 is an apocalyptic number.

It is an amenable number.

202143601 is a deficient number, since it is larger than the sum of its proper divisors (26253503).

202143601 is a wasteful number, since it uses less digits than its factorization.

202143601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21920 (or 21891 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 202143601 is about 14217.7213715841. The cubic root of 202143601 is about 586.8854364813.

Adding to 202143601 its reverse (106341202), we get a palindrome (308484803).

The spelling of 202143601 in words is "two hundred two million, one hundred forty-three thousand, six hundred one".