102342250305 has 64 divisors (see below), whose sum is σ = 187244179200. Its totient is φ = 52997898240.

The previous prime is 102342250261. The next prime is 102342250321. The reversal of 102342250305 is 503052243201.

It is a happy number.

102342250305 is a `hidden beast` number, since 10 + 2 + 342 + 2 + 5 + 0 + 305 = 666.

It is not a de Polignac number, because 102342250305 - 2²³ = 102333861697 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2431681 + ... + 2473409.

It is an arithmetic number, because the mean of its divisors is an integer number (2925690300).

Almost surely, 2^102342250305 is an apocalyptic number.

102342250305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102342250305 is a deficient number, since it is larger than the sum of its proper divisors (84901928895).

102342250305 is a wasteful number, since it uses less digits than its factorization.

102342250305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42271 (or 42265 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 102342250305 its reverse (503052243201), we get a palindrome (605394493506).

The spelling of 102342250305 in words is "one hundred two billion, three hundred forty-two million, two hundred fifty thousand, three hundred five".