245624449 has 8 divisors (see below), whose sum is σ = 297226368. Its totient is φ = 198150720.

The previous prime is 245624443. The next prime is 245624453. The reversal of 245624449 is 944426542.

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 245624449 - 2⁵ = 245624417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245624443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1031917 + ... + 1032154.

It is an arithmetic number, because the mean of its divisors is an integer number (37153296).

Almost surely, 2^245624449 is an apocalyptic number.

It is an amenable number.

245624449 is a deficient number, since it is larger than the sum of its proper divisors (51601919).

245624449 is a wasteful number, since it uses less digits than its factorization.

245624449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2064095.

The product of its digits is 276480, while the sum is 40.

The square root of 245624449 is about 15672.4104400057. The cubic root of 245624449 is about 626.2636399009.

The spelling of 245624449 in words is "two hundred forty-five million, six hundred twenty-four thousand, four hundred forty-nine".