201342245 has 16 divisors (see below), whose sum is σ = 261296112. Its totient is φ = 148055040.

The previous prime is 201342227. The next prime is 201342269. The reversal of 201342245 is 542243102.

201342245 = 10033² + 10034².

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 14145121 + 187197124 = 3761^2 + 13682^2 .

It is not a de Polignac number, because 201342245 - 2⁸ = 201341989 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 201342245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9239 + ... + 22091.

It is an arithmetic number, because the mean of its divisors is an integer number (16331007).

Almost surely, 2^201342245 is an apocalyptic number.

201342245 is the 10034-th centered square number.

It is an amenable number.

201342245 is a deficient number, since it is larger than the sum of its proper divisors (59953867).

201342245 is a wasteful number, since it uses less digits than its factorization.

201342245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13112.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 201342245 is about 14189.5117956891. The cubic root of 201342245 is about 586.1088812502.

Adding to 201342245 its reverse (542243102), we get a palindrome (743585347).

The spelling of 201342245 in words is "two hundred one million, three hundred forty-two thousand, two hundred forty-five".