103312245 has 32 divisors (see below), whose sum is σ = 169827840. Its totient is φ = 53610560.

The previous prime is 103312241. The next prime is 103312267. The reversal of 103312245 is 542213301.

It is not a de Polignac number, because 103312245 - 2² = 103312241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103312241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94150 + ... + 95240.

It is an arithmetic number, because the mean of its divisors is an integer number (5307120).

Almost surely, 2^103312245 is an apocalyptic number.

103312245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103312245 is a deficient number, since it is larger than the sum of its proper divisors (66515595).

103312245 is a wasteful number, since it uses less digits than its factorization.

103312245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265.

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

The square root of 103312245 is about 10164.2631311866. The cubic root of 103312245 is about 469.2280144168.

Adding to 103312245 its reverse (542213301), we get a palindrome (645525546).

The spelling of 103312245 in words is "one hundred three million, three hundred twelve thousand, two hundred forty-five".