245345403 has 8 divisors (see below), whose sum is σ = 327704400. Its totient is φ = 163275008.

The previous prime is 245345389. The next prime is 245345407. The reversal of 245345403 is 304543542.

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

It is a cyclic number.

It is not a de Polignac number, because 245345403 - 2⁵ = 245345371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245345407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70158 + ... + 73571.

It is an arithmetic number, because the mean of its divisors is an integer number (40963050).

Almost surely, 2^245345403 is an apocalyptic number.

245345403 is a deficient number, since it is larger than the sum of its proper divisors (82358997).

245345403 is a wasteful number, since it uses less digits than its factorization.

245345403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144301.

The product of its (nonzero) digits is 28800, while the sum is 30.

The square root of 245345403 is about 15663.5054505688. The cubic root of 245345403 is about 626.0263907393.

Adding to 245345403 its reverse (304543542), we get a palindrome (549888945).

The spelling of 245345403 in words is "two hundred forty-five million, three hundred forty-five thousand, four hundred three".