201542081348 has 6 divisors (see below), whose sum is σ = 352698642366. Its totient is φ = 100771040672.

The previous prime is 201542081341. The next prime is 201542081357. The reversal of 201542081348 is 843180245102.

201542081348 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 195547915264 + 5994166084 = 442208^2 + 77422^2 .

It is not an unprimeable number, because it can be changed into a prime (201542081341) 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, 25192760165 + ... + 25192760172.

It is an arithmetic number, because the mean of its divisors is an integer number (58783107061).

Almost surely, 2^201542081348 is an apocalyptic number.

It is an amenable number.

201542081348 is a deficient number, since it is larger than the sum of its proper divisors (151156561018).

201542081348 is a wasteful number, since it uses less digits than its factorization.

201542081348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50385520341 (or 50385520339 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 38.

The spelling of 201542081348 in words is "two hundred one billion, five hundred forty-two million, eighty-one thousand, three hundred forty-eight".