201449443 has 4 divisors (see below), whose sum is σ = 216945568. Its totient is φ = 185953320.

The previous prime is 201449429. The next prime is 201449459. The reversal of 201449443 is 344944102.

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

It is a cyclic number.

It is not a de Polignac number, because 201449443 - 2⁵ = 201449411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201449543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7748043 + ... + 7748068.

It is an arithmetic number, because the mean of its divisors is an integer number (54236392).

Almost surely, 2^201449443 is an apocalyptic number.

201449443 is a deficient number, since it is larger than the sum of its proper divisors (15496125).

201449443 is a wasteful number, since it uses less digits than its factorization.

201449443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15496124.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 201449443 is about 14193.2886604902. The cubic root of 201449443 is about 586.2128808730.

The spelling of 201449443 in words is "two hundred one million, four hundred forty-nine thousand, four hundred forty-three".