102115345 has 16 divisors (see below), whose sum is σ = 130014720. Its totient is φ = 76728064.

The previous prime is 102115337. The next prime is 102115369. The reversal of 102115345 is 543511201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 102115345 - 2³ = 102115337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55104 + ... + 56926.

It is an arithmetic number, because the mean of its divisors is an integer number (8125920).

Almost surely, 2^102115345 is an apocalyptic number.

It is an amenable number.

102115345 is a deficient number, since it is larger than the sum of its proper divisors (27899375).

102115345 is a wasteful number, since it uses less digits than its factorization.

102115345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2504.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 102115345 is about 10105.2137533058. The cubic root of 102115345 is about 467.4089273251.

Adding to 102115345 its reverse (543511201), we get a palindrome (645626546).

The spelling of 102115345 in words is "one hundred two million, one hundred fifteen thousand, three hundred forty-five".