102150142265 has 4 divisors (see below), whose sum is σ = 122580170724. Its totient is φ = 81720113808.

The previous prime is 102150142253. The next prime is 102150142313. The reversal of 102150142265 is 562241051201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 562241051201 = 85619 ⋅6566779.

It can be written as a sum of positive squares in 2 ways, for example, as 27387271081 + 74762871184 = 165491^2 + 273428^2 .

It is a cyclic number.

It is not a de Polignac number, because 102150142265 - 2¹⁰ = 102150141241 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10215014222 + ... + 10215014231.

It is an arithmetic number, because the mean of its divisors is an integer number (30645042681).

Almost surely, 2^102150142265 is an apocalyptic number.

It is an amenable number.

102150142265 is a deficient number, since it is larger than the sum of its proper divisors (20430028459).

102150142265 is an equidigital number, since it uses as much as digits as its factorization.

102150142265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20430028458.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 102150142265 its reverse (562241051201), we get a palindrome (664391193466).

The spelling of 102150142265 in words is "one hundred two billion, one hundred fifty million, one hundred forty-two thousand, two hundred sixty-five".