202145201 has 4 divisors (see below), whose sum is σ = 202184304. Its totient is φ = 202106100.

The previous prime is 202145179. The next prime is 202145213. The reversal of 202145201 is 102541202.

202145201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 202145201 - 2¹⁰ = 202144177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202145201.

It is not an unprimeable number, because it can be changed into a prime (202145221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10355 + ... + 22616.

It is an arithmetic number, because the mean of its divisors is an integer number (50546076).

Almost surely, 2^202145201 is an apocalyptic number.

It is an amenable number.

202145201 is a deficient number, since it is larger than the sum of its proper divisors (39103).

202145201 is an equidigital number, since it uses as much as digits as its factorization.

202145201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39102.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 202145201 is about 14217.7776392796. Note that the first 3 decimals coincide. The cubic root of 202145201 is about 586.8869849089.

Adding to 202145201 its reverse (102541202), we get a palindrome (304686403).

The spelling of 202145201 in words is "two hundred two million, one hundred forty-five thousand, two hundred one".