245224538 has 8 divisors (see below), whose sum is σ = 396131988. Its totient is φ = 113180544.

The previous prime is 245224519. The next prime is 245224589. The reversal of 245224538 is 835422542.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 243578449 + 1646089 = 15607^2 + 1283^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 245224498 and 245224507.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4715831 + ... + 4715882.

Almost surely, 2^245224538 is an apocalyptic number.

245224538 is a deficient number, since it is larger than the sum of its proper divisors (150907450).

245224538 is a wasteful number, since it uses less digits than its factorization.

245224538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9431728.

The product of its digits is 76800, while the sum is 35.

The square root of 245224538 is about 15659.6468031690. The cubic root of 245224538 is about 625.9235736399.

The spelling of 245224538 in words is "two hundred forty-five million, two hundred twenty-four thousand, five hundred thirty-eight".