245475798 has 16 divisors (see below), whose sum is σ = 491151216. Its totient is φ = 81792000.

The previous prime is 245475793. The next prime is 245475799. The reversal of 245475798 is 897574542.

It is a happy number.

245475798 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 245475798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245475793) 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, 11190 + ... + 24822.

It is an arithmetic number, because the mean of its divisors is an integer number (30696951).

Almost surely, 2^245475798 is an apocalyptic number.

245475798 is an abundant number, since it is smaller than the sum of its proper divisors (245675418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245475798 is a wasteful number, since it uses less digits than its factorization.

245475798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16639.

The product of its digits is 2822400, while the sum is 51.

The square root of 245475798 is about 15667.6672801027. The cubic root of 245475798 is about 626.1372769333.

The spelling of 245475798 in words is "two hundred forty-five million, four hundred seventy-five thousand, seven hundred ninety-eight".