201246102145 has 32 divisors (see below), whose sum is σ = 264985426944. Its totient is φ = 145509907200.

The previous prime is 201246102143. The next prime is 201246102149. The reversal of 201246102145 is 541201642102.

It is not a de Polignac number, because 201246102145 - 2¹ = 201246102143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201246102143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6769584 + ... + 6799246.

It is an arithmetic number, because the mean of its divisors is an integer number (8280794592).

Almost surely, 2^201246102145 is an apocalyptic number.

It is an amenable number.

201246102145 is a deficient number, since it is larger than the sum of its proper divisors (63739324799).

201246102145 is a wasteful number, since it uses less digits than its factorization.

201246102145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30393.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 201246102145 its reverse (541201642102), we get a palindrome (742447744247).

The spelling of 201246102145 in words is "two hundred one billion, two hundred forty-six million, one hundred two thousand, one hundred forty-five".