201445051 has 2 divisors, whose sum is σ = 201445052. Its totient is φ = 201445050.

The previous prime is 201445039. The next prime is 201445073. The reversal of 201445051 is 150544102.

201445051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (201445073) can be obtained adding 201445051 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201445051 - 2⁷ = 201444923 is a prime.

It is not a weakly prime, because it can be changed into another prime (201445001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100722525 + 100722526.

It is an arithmetic number, because the mean of its divisors is an integer number (100722526).

Almost surely, 2^201445051 is an apocalyptic number.

201445051 is a deficient number, since it is larger than the sum of its proper divisors (1).

201445051 is an equidigital number, since it uses as much as digits as its factorization.

201445051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 201445051 is about 14193.1339386338. The cubic root of 201445051 is about 586.2086206384.

Adding to 201445051 its reverse (150544102), we get a palindrome (351989153).

The spelling of 201445051 in words is "two hundred one million, four hundred forty-five thousand, fifty-one".