102342345 has 32 divisors (see below), whose sum is σ = 188977152. Its totient is φ = 46325952.

The previous prime is 102342301. The next prime is 102342353. The reversal of 102342345 is 543243201.

It is not a de Polignac number, because 102342345 - 2⁶ = 102342281 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6084 + ... + 15546.

It is an arithmetic number, because the mean of its divisors is an integer number (5905536).

Almost surely, 2^102342345 is an apocalyptic number.

102342345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102342345 is a deficient number, since it is larger than the sum of its proper divisors (86634807).

102342345 is a wasteful number, since it uses less digits than its factorization.

102342345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9581.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 102342345 is about 10116.4393439589. The cubic root of 102342345 is about 467.7550173368.

Adding to 102342345 its reverse (543243201), we get a palindrome (645585546).

The spelling of 102342345 in words is "one hundred two million, three hundred forty-two thousand, three hundred forty-five".