201145545137 has 4 divisors (see below), whose sum is σ = 203978581056. Its totient is φ = 198312509220.

The previous prime is 201145545119. The next prime is 201145545143. The reversal of 201145545137 is 731545541102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 201145545137 - 2¹⁰ = 201145544113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201145545137.

It is not an unprimeable number, because it can be changed into a prime (201145545637) 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, 1416517853 + ... + 1416517994.

It is an arithmetic number, because the mean of its divisors is an integer number (50994645264).

Almost surely, 2^201145545137 is an apocalyptic number.

It is an amenable number.

201145545137 is a deficient number, since it is larger than the sum of its proper divisors (2833035919).

201145545137 is an equidigital number, since it uses as much as digits as its factorization.

201145545137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2833035918.

The product of its (nonzero) digits is 84000, while the sum is 38.

The spelling of 201145545137 in words is "two hundred one billion, one hundred forty-five million, five hundred forty-five thousand, one hundred thirty-seven".