102816245 has 16 divisors (see below), whose sum is σ = 141637248. Its totient is φ = 70186560.

The previous prime is 102816211. The next prime is 102816253. The reversal of 102816245 is 542618201.

It is not a de Polignac number, because 102816245 - 2²⁴ = 86039029 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

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, 1475 + ... + 14415.

It is an arithmetic number, because the mean of its divisors is an integer number (8852328).

Almost surely, 2^102816245 is an apocalyptic number.

It is an amenable number.

102816245 is a deficient number, since it is larger than the sum of its proper divisors (38821003).

102816245 is a wasteful number, since it uses less digits than its factorization.

102816245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13180.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 102816245 is about 10139.8345647254. The cubic root of 102816245 is about 468.4758914162.

The spelling of 102816245 in words is "one hundred two million, eight hundred sixteen thousand, two hundred forty-five".