245515545750 has 32 divisors (see below), whose sum is σ = 612806804064. Its totient is φ = 65470812000.

The previous prime is 245515545749. The next prime is 245515545757. The reversal of 245515545750 is 57545515542.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 245515545750.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245515545757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163676281 + ... + 163677780.

It is an arithmetic number, because the mean of its divisors is an integer number (19150212627).

Almost surely, 2^245515545750 is an apocalyptic number.

245515545750 is an abundant number, since it is smaller than the sum of its proper divisors (367291258314).

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

245515545750 is a wasteful number, since it uses less digits than its factorization.

245515545750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327354081 (or 327354071 counting only the distinct ones).

The product of its (nonzero) digits is 3500000, while the sum is 48.

The spelling of 245515545750 in words is "two hundred forty-five billion, five hundred fifteen million, five hundred forty-five thousand, seven hundred fifty".