102313245 has 16 divisors (see below), whose sum is σ = 167694912. Its totient is φ = 53235840.

The previous prime is 102313229. The next prime is 102313279. The reversal of 102313245 is 542313201.

It is not a de Polignac number, because 102313245 - 2⁴ = 102313229 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82567 + ... + 83796.

It is an arithmetic number, because the mean of its divisors is an integer number (10480932).

Almost surely, 2^102313245 is an apocalyptic number.

102313245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102313245 is a deficient number, since it is larger than the sum of its proper divisors (65381667).

102313245 is a wasteful number, since it uses less digits than its factorization.

102313245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166412.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 102313245 is about 10115.0009886307. Note that the first 3 decimals coincide. The cubic root of 102313245 is about 467.7106793477.

Adding to 102313245 its reverse (542313201), we get a palindrome (644626446).

The spelling of 102313245 in words is "one hundred two million, three hundred thirteen thousand, two hundred forty-five".