245388357 has 24 divisors (see below), whose sum is σ = 376856064. Its totient is φ = 153520224.

The previous prime is 245388323. The next prime is 245388359. The reversal of 245388357 is 753883542.

It is not a de Polignac number, because 245388357 - 2¹² = 245384261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245388359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 213 + ... + 22154.

It is an arithmetic number, because the mean of its divisors is an integer number (15702336).

Almost surely, 2^245388357 is an apocalyptic number.

It is an amenable number.

245388357 is a deficient number, since it is larger than the sum of its proper divisors (131467707).

245388357 is a wasteful number, since it uses less digits than its factorization.

245388357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22449 (or 22446 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 245388357 is about 15664.8765395709. The cubic root of 245388357 is about 626.0629225948.

The spelling of 245388357 in words is "two hundred forty-five million, three hundred eighty-eight thousand, three hundred fifty-seven".