200144279 has 2 divisors, whose sum is σ = 200144280. Its totient is φ = 200144278.

The previous prime is 200144239. The next prime is 200144303. The reversal of 200144279 is 972441002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 200144279 - 2²⁰ = 199095703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200144239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100072139 + 100072140.

It is an arithmetic number, because the mean of its divisors is an integer number (100072140).

Almost surely, 2^200144279 is an apocalyptic number.

200144279 is a deficient number, since it is larger than the sum of its proper divisors (1).

200144279 is an equidigital number, since it uses as much as digits as its factorization.

200144279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 200144279 is about 14147.2357370619. The cubic root of 200144279 is about 584.9441386259.

The spelling of 200144279 in words is "two hundred million, one hundred forty-four thousand, two hundred seventy-nine".