201144733 has 2 divisors, whose sum is σ = 201144734. Its totient is φ = 201144732.

The previous prime is 201144719. The next prime is 201144737. The reversal of 201144733 is 337441102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199289689 + 1855044 = 14117^2 + 1362^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201144733 is a prime.

It is a super-2 number, since 2×201144733² = 80918407227282578, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201144698 and 201144707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201144737) 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 as a sum of consecutive naturals, namely, 100572366 + 100572367.

It is an arithmetic number, because the mean of its divisors is an integer number (100572367).

Almost surely, 2^201144733 is an apocalyptic number.

It is an amenable number.

201144733 is a deficient number, since it is larger than the sum of its proper divisors (1).

201144733 is an equidigital number, since it uses as much as digits as its factorization.

201144733 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 201144733 is about 14182.5502995759. The cubic root of 201144733 is about 585.9171655445.

Adding to 201144733 its reverse (337441102), we get a palindrome (538585835).

The spelling of 201144733 in words is "two hundred one million, one hundred forty-four thousand, seven hundred thirty-three".