201145202 has 4 divisors (see below), whose sum is σ = 301717806. Its totient is φ = 100572600.

The previous prime is 201145199. The next prime is 201145213. The reversal of 201145202 is 202541102.

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

It can be written as a sum of positive squares in only one way, i.e., 192959881 + 8185321 = 13891^2 + 2861^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50286299 + ... + 50286302.

Almost surely, 2^201145202 is an apocalyptic number.

201145202 is a deficient number, since it is larger than the sum of its proper divisors (100572604).

201145202 is a wasteful number, since it uses less digits than its factorization.

201145202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100572603.

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

The square root of 201145202 is about 14182.5668339691. The cubic root of 201145202 is about 585.9176209296.

Adding to 201145202 its reverse (202541102), we get a palindrome (403686304).

The spelling of 201145202 in words is "two hundred one million, one hundred forty-five thousand, two hundred two".