245724269 has 12 divisors (see below), whose sum is σ = 286681500. Its totient is φ = 210002688.

The previous prime is 245724257. The next prime is 245724277. The reversal of 245724269 is 962427542.

It can be written as a sum of positive squares in 2 ways, for example, as 164814244 + 80910025 = 12838^2 + 8995^2 .

It is not a de Polignac number, because 245724269 - 2⁴ = 245724253 is a prime.

It is a super-2 number, since 2×245724269² = 120760832751168722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245724209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9917 + ... + 24285.

It is an arithmetic number, because the mean of its divisors is an integer number (23890125).

Almost surely, 2^245724269 is an apocalyptic number.

It is an amenable number.

245724269 is a deficient number, since it is larger than the sum of its proper divisors (40957231).

245724269 is a wasteful number, since it uses less digits than its factorization.

245724269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14732 (or 14725 counting only the distinct ones).

The product of its digits is 241920, while the sum is 41.

The square root of 245724269 is about 15675.5946936631. The cubic root of 245724269 is about 626.3484647495.

The spelling of 245724269 in words is "two hundred forty-five million, seven hundred twenty-four thousand, two hundred sixty-nine".