245173808 has 80 divisors (see below), whose sum is σ = 536108544. Its totient is φ = 107662080.

The previous prime is 245173793. The next prime is 245173811. The reversal of 245173808 is 808371542.

It is a super-2 number, since 2×245173808² = 120220392258441728, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 884966 + ... + 885242.

Almost surely, 2^245173808 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 245173808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268054272).

245173808 is an abundant number, since it is smaller than the sum of its proper divisors (290934736).

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

245173808 is a wasteful number, since it uses less digits than its factorization.

245173808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450 (or 444 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 245173808 is about 15658.0269510561. The cubic root of 245173808 is about 625.8804087198.

The spelling of 245173808 in words is "two hundred forty-five million, one hundred seventy-three thousand, eight hundred eight".