245504208 has 160 divisors (see below), whose sum is σ = 713097216. Its totient is φ = 72382464.

The previous prime is 245504179. The next prime is 245504209. The reversal of 245504208 is 802405542.

It is a super-2 number, since 2×245504208² = 120544632291414528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245504209) 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 31 ways as a sum of consecutive naturals, for example, 1933041 + ... + 1933167.

Almost surely, 2^245504208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245504208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (356548608).

245504208 is an abundant number, since it is smaller than the sum of its proper divisors (467593008).

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

245504208 is a wasteful number, since it uses less digits than its factorization.

245504208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 245504208 is about 15668.5738980930. The cubic root of 245504208 is about 626.1614312138.

The spelling of 245504208 in words is "two hundred forty-five million, five hundred four thousand, two hundred eight".