102415245 has 8 divisors (see below), whose sum is σ = 163864416. Its totient is φ = 54621456.

The previous prime is 102415241. The next prime is 102415249. The reversal of 102415245 is 542514201.

It is an interprime number because it is at equal distance from previous prime (102415241) and next prime (102415249).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102415245 - 2² = 102415241 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102415241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3413827 + ... + 3413856.

It is an arithmetic number, because the mean of its divisors is an integer number (20483052).

Almost surely, 2^102415245 is an apocalyptic number.

102415245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102415245 is a deficient number, since it is larger than the sum of its proper divisors (61449171).

102415245 is an equidigital number, since it uses as much as digits as its factorization.

102415245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6827691.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 102415245 is about 10120.0417489257. The cubic root of 102415245 is about 467.8660539674.

Adding to 102415245 its reverse (542514201), we get a palindrome (644929446).

The spelling of 102415245 in words is "one hundred two million, four hundred fifteen thousand, two hundred forty-five".