245215103 has 16 divisors (see below), whose sum is σ = 285182976. Its totient is φ = 206504640.

The previous prime is 245215093. The next prime is 245215133. The reversal of 245215103 is 301512542.

It is a cyclic number.

It is not a de Polignac number, because 245215103 - 2¹² = 245211007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245215133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158150 + ... + 159692.

It is an arithmetic number, because the mean of its divisors is an integer number (17823936).

Almost surely, 2^245215103 is an apocalyptic number.

245215103 is a deficient number, since it is larger than the sum of its proper divisors (39967873).

245215103 is a wasteful number, since it uses less digits than its factorization.

245215103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1934.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 245215103 is about 15659.3455482661. The cubic root of 245215103 is about 625.9155460791.

Adding to 245215103 its reverse (301512542), we get a palindrome (546727645).

The spelling of 245215103 in words is "two hundred forty-five million, two hundred fifteen thousand, one hundred three".