201245 has 8 divisors (see below), whose sum is σ = 263520. Its totient is φ = 146320.

The previous prime is 201233. The next prime is 201247. The reversal of 201245 is 542102.

201245 = 258² + 259² + 260².

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

It is not a de Polignac number, because 201245 - 2⁸ = 200989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201247) 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, 1775 + ... + 1884.

It is an arithmetic number, because the mean of its divisors is an integer number (32940).

2²⁰¹²⁴⁵ is an apocalyptic number.

It is an amenable number.

201245 is a deficient number, since it is larger than the sum of its proper divisors (62275).

201245 is a wasteful number, since it uses less digits than its factorization.

201245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3675.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 201245 is about 448.6033883064. The cubic root of 201245 is about 58.6014505731.

Adding to 201245 its reverse (542102), we get a palindrome (743347).

The spelling of 201245 in words is "two hundred one thousand, two hundred forty-five".