245285799 has 16 divisors (see below), whose sum is σ = 369083520. Its totient is φ = 143531360.

The previous prime is 245285791. The next prime is 245285813. The reversal of 245285799 is 997582542.

It is a cyclic number.

It is not a de Polignac number, because 245285799 - 2³ = 245285791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245285791) 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 15 ways as a sum of consecutive naturals, for example, 127197 + ... + 129110.

It is an arithmetic number, because the mean of its divisors is an integer number (23067720).

Almost surely, 2^245285799 is an apocalyptic number.

245285799 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

245285799 is a deficient number, since it is larger than the sum of its proper divisors (123797721).

245285799 is a wasteful number, since it uses less digits than its factorization.

245285799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256350.

The product of its digits is 1814400, while the sum is 51.

The square root of 245285799 is about 15661.6026957652. The cubic root of 245285799 is about 625.9756911968.

The spelling of 245285799 in words is "two hundred forty-five million, two hundred eighty-five thousand, seven hundred ninety-nine".