252143045205 has 16 divisors (see below), whose sum is σ = 403439343360. Its totient is φ = 134472800448.

The previous prime is 252143045183. The next prime is 252143045227. The reversal of 252143045205 is 502540341252.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (252143045183) and next prime (252143045227).

It is not a de Polignac number, because 252143045205 - 2²³ = 252134656597 is a prime.

It is a super-2 number, since 2×252143045205² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

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, 443844 + ... + 837426.

It is an arithmetic number, because the mean of its divisors is an integer number (25214958960).

Almost surely, 2^252143045205 is an apocalyptic number.

It is an amenable number.

252143045205 is a deficient number, since it is larger than the sum of its proper divisors (151296298155).

252143045205 is a wasteful number, since it uses less digits than its factorization.

252143045205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436300.

The product of its (nonzero) digits is 48000, while the sum is 33.

Adding to 252143045205 its reverse (502540341252), we get a palindrome (754683386457).

The spelling of 252143045205 in words is "two hundred fifty-two billion, one hundred forty-three million, forty-five thousand, two hundred five".