201445212814 has 4 divisors (see below), whose sum is σ = 302167819224. Its totient is φ = 100722606406.

The previous prime is 201445212811. The next prime is 201445212823. The reversal of 201445212814 is 418212544102.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 201445212814.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201445212811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50361303202 + ... + 50361303205.

It is an arithmetic number, because the mean of its divisors is an integer number (75541954806).

Almost surely, 2^201445212814 is an apocalyptic number.

201445212814 is a deficient number, since it is larger than the sum of its proper divisors (100722606410).

201445212814 is a wasteful number, since it uses less digits than its factorization.

201445212814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100722606409.

The product of its (nonzero) digits is 20480, while the sum is 34.

Adding to 201445212814 its reverse (418212544102), we get a palindrome (619657756916).

The spelling of 201445212814 in words is "two hundred one billion, four hundred forty-five million, two hundred twelve thousand, eight hundred fourteen".