201445302601 has 4 divisors (see below), whose sum is σ = 201581140432. Its totient is φ = 201309464772.

The previous prime is 201445302587. The next prime is 201445302607. The reversal of 201445302601 is 106203544102.

201445302601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 106203544102 = 2 ⋅53101772051.

It is a cyclic number.

It is not a de Polignac number, because 201445302601 - 2⁹ = 201445302089 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201445302601.

It is not an unprimeable number, because it can be changed into a prime (201445302607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67916691 + ... + 67919656.

It is an arithmetic number, because the mean of its divisors is an integer number (50395285108).

Almost surely, 2^201445302601 is an apocalyptic number.

It is an amenable number.

201445302601 is a deficient number, since it is larger than the sum of its proper divisors (135837831).

201445302601 is a wasteful number, since it uses less digits than its factorization.

201445302601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135837830.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 201445302601 its reverse (106203544102), we get a palindrome (307648846703).

The spelling of 201445302601 in words is "two hundred one billion, four hundred forty-five million, three hundred two thousand, six hundred one".