201542341 has 40 divisors (see below), whose sum is σ = 276693984. Its totient is φ = 144718560.

The previous prime is 201542339. The next prime is 201542357. The reversal of 201542341 is 143245102.

It is not a de Polignac number, because 201542341 - 2¹ = 201542339 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201545341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 343050 + ... + 343636.

Almost surely, 2^201542341 is an apocalyptic number.

It is an amenable number.

201542341 is a deficient number, since it is larger than the sum of its proper divisors (75151643).

201542341 is an equidigital number, since it uses as much as digits as its factorization.

201542341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639 (or 618 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 201542341 is about 14196.5608863555. The cubic root of 201542341 is about 586.3029773169.

Adding to 201542341 its reverse (143245102), we get a palindrome (344787443).

The spelling of 201542341 in words is "two hundred one million, five hundred forty-two thousand, three hundred forty-one".