245408899 has 8 divisors (see below), whose sum is σ = 246657312. Its totient is φ = 244164480.

The previous prime is 245408893. The next prime is 245408909. The reversal of 245408899 is 998804542.

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 245408899 - 2⁷ = 245408771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245408893) by changing a digit.

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, 249162 + ... + 250144.

It is an arithmetic number, because the mean of its divisors is an integer number (30832164).

Almost surely, 2^245408899 is an apocalyptic number.

245408899 is a deficient number, since it is larger than the sum of its proper divisors (1248413).

245408899 is an equidigital number, since it uses as much as digits as its factorization.

245408899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997.

The product of its (nonzero) digits is 829440, while the sum is 49.

The square root of 245408899 is about 15665.5321965135. The cubic root of 245408899 is about 626.0803918095.

The spelling of 245408899 in words is "two hundred forty-five million, four hundred eight thousand, eight hundred ninety-nine".