245243798 has 8 divisors (see below), whose sum is σ = 373047120. Its totient is φ = 120894760.

The previous prime is 245243797. The next prime is 245243827. The reversal of 245243798 is 897342542.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245243797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 863393 + ... + 863676.

It is an arithmetic number, because the mean of its divisors is an integer number (46630890).

Almost surely, 2^245243798 is an apocalyptic number.

245243798 is a deficient number, since it is larger than the sum of its proper divisors (127803322).

245243798 is a wasteful number, since it uses less digits than its factorization.

245243798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1727142.

The product of its digits is 483840, while the sum is 44.

The square root of 245243798 is about 15660.2617474932. The cubic root of 245243798 is about 625.9399599451.

The spelling of 245243798 in words is "two hundred forty-five million, two hundred forty-three thousand, seven hundred ninety-eight".