245242024515 has 40 divisors (see below), whose sum is σ = 454778335440. Its totient is φ = 126285542208.

The previous prime is 245242024499. The next prime is 245242024549. The reversal of 245242024515 is 515420242542.

It is not a de Polignac number, because 245242024515 - 2⁴ = 245242024499 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 245242024515.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10428529 + ... + 10452018.

It is an arithmetic number, because the mean of its divisors is an integer number (11369458386).

Almost surely, 2^245242024515 is an apocalyptic number.

245242024515 is a deficient number, since it is larger than the sum of its proper divisors (209536310925).

245242024515 is a wasteful number, since it uses less digits than its factorization.

245242024515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20880593 (or 20880584 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 36.

The spelling of 245242024515 in words is "two hundred forty-five billion, two hundred forty-two million, twenty-four thousand, five hundred fifteen".