201148743 has 16 divisors (see below), whose sum is σ = 286057440. Its totient is φ = 125285376.

The previous prime is 201148741. The next prime is 201148789. The reversal of 201148743 is 347841102.

It is not a de Polignac number, because 201148743 - 2¹ = 201148741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201148743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201148741) 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 in 15 ways as a sum of consecutive naturals, for example, 7408 + ... + 21381.

It is an arithmetic number, because the mean of its divisors is an integer number (17878590).

Almost surely, 2^201148743 is an apocalyptic number.

201148743 is a deficient number, since it is larger than the sum of its proper divisors (84908697).

201148743 is a wasteful number, since it uses less digits than its factorization.

201148743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28946.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 201148743 is about 14182.6916697783. The cubic root of 201148743 is about 585.9210591127.

Adding to 201148743 its reverse (347841102), we get a palindrome (548989845).

The spelling of 201148743 in words is "two hundred one million, one hundred forty-eight thousand, seven hundred forty-three".