245388356 has 6 divisors (see below), whose sum is σ = 429429630. Its totient is φ = 122694176.

The previous prime is 245388323. The next prime is 245388359. The reversal of 245388356 is 653883542.

It can be written as a sum of positive squares in only one way, i.e., 198246400 + 47141956 = 14080^2 + 6866^2 .

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30673541 + ... + 30673548.

It is an arithmetic number, because the mean of its divisors is an integer number (71571605).

Almost surely, 2^245388356 is an apocalyptic number.

It is an amenable number.

245388356 is a deficient number, since it is larger than the sum of its proper divisors (184041274).

245388356 is a wasteful number, since it uses less digits than its factorization.

245388356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61347093 (or 61347091 counting only the distinct ones).

The product of its digits is 691200, while the sum is 44.

The square root of 245388356 is about 15664.8765076524. The cubic root of 245388356 is about 626.0629217444.

It can be divided in two parts, 2453 and 88356, that added together give a palindrome (90809).

The spelling of 245388356 in words is "two hundred forty-five million, three hundred eighty-eight thousand, three hundred fifty-six".