202134245 has 8 divisors (see below), whose sum is σ = 242638200. Its totient is φ = 161656000.

The previous prime is 202134227. The next prime is 202134253. The reversal of 202134245 is 542431202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 92659876 + 109474369 = 9626^2 + 10463^2 .

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

It is not a de Polignac number, because 202134245 - 2²⁰ = 201085669 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 202134245.

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, 23831 + ... + 31179.

It is an arithmetic number, because the mean of its divisors is an integer number (30329775).

Almost surely, 2^202134245 is an apocalyptic number.

It is an amenable number.

202134245 is a deficient number, since it is larger than the sum of its proper divisors (40503955).

202134245 is an equidigital number, since it uses as much as digits as its factorization.

202134245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12855.

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

The square root of 202134245 is about 14217.3923417763. The cubic root of 202134245 is about 586.8763818870.

Adding to 202134245 its reverse (542431202), we get a palindrome (744565447).

The spelling of 202134245 in words is "two hundred two million, one hundred thirty-four thousand, two hundred forty-five".