245238785 has 8 divisors (see below), whose sum is σ = 321039936. Its totient is φ = 178355440.

The previous prime is 245238767. The next prime is 245238823. The reversal of 245238785 is 587832542.

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

It is not a de Polignac number, because 245238785 - 2¹⁴ = 245222401 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2229389 + ... + 2229498.

It is an arithmetic number, because the mean of its divisors is an integer number (40129992).

Almost surely, 2^245238785 is an apocalyptic number.

It is an amenable number.

245238785 is a deficient number, since it is larger than the sum of its proper divisors (75801151).

245238785 is a wasteful number, since it uses less digits than its factorization.

245238785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4458903.

The product of its digits is 537600, while the sum is 44.

The square root of 245238785 is about 15660.1016918793. The cubic root of 245238785 is about 625.9356949941.

The spelling of 245238785 in words is "two hundred forty-five million, two hundred thirty-eight thousand, seven hundred eighty-five".