245817552 has 40 divisors (see below), whose sum is σ = 672385536. Its totient is φ = 77118976.

The previous prime is 245817511. The next prime is 245817553. The reversal of 245817552 is 255718542.

It is a self number, because there is not a number n which added to its sum of digits gives 245817552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245817553) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 149808 + ... + 151439.

Almost surely, 2^245817552 is an apocalyptic number.

It is an amenable number.

245817552 is an abundant number, since it is smaller than the sum of its proper divisors (426567984).

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

245817552 is a wasteful number, since it uses less digits than its factorization.

245817552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301275 (or 301269 counting only the distinct ones).

The product of its digits is 112000, while the sum is 39.

The square root of 245817552 is about 15678.5698327367. The cubic root of 245817552 is about 626.4277138364.

The spelling of 245817552 in words is "two hundred forty-five million, eight hundred seventeen thousand, five hundred fifty-two".