202340245 has 8 divisors (see below), whose sum is σ = 242900280. Its totient is φ = 161810880.

The previous prime is 202340231. The next prime is 202340263. The reversal of 202340245 is 542043202.

It can be written as a sum of positive squares in 4 ways, for example, as 47238129 + 155102116 = 6873^2 + 12454^2 .

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

It is not a de Polignac number, because 202340245 - 2²¹ = 200243093 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10975 + ... + 22915.

It is an arithmetic number, because the mean of its divisors is an integer number (30362535).

Almost surely, 2^202340245 is an apocalyptic number.

It is an amenable number.

202340245 is a deficient number, since it is larger than the sum of its proper divisors (40560035).

202340245 is a wasteful number, since it uses less digits than its factorization.

202340245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15335.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 202340245 is about 14224.6351447058. The cubic root of 202340245 is about 587.0756809359.

Adding to 202340245 its reverse (542043202), we get a palindrome (744383447).

The spelling of 202340245 in words is "two hundred two million, three hundred forty thousand, two hundred forty-five".