245643515002 has 16 divisors (see below), whose sum is σ = 376714563840. Its totient is φ = 120077682768.

The previous prime is 245643514981. The next prime is 245643515023. The reversal of 245643515002 is 200515346542.

It is an interprime number because it is at equal distance from previous prime (245643514981) and next prime (245643515023).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1335393 + ... + 1508164.

It is an arithmetic number, because the mean of its divisors is an integer number (23544660240).

Almost surely, 2^245643515002 is an apocalyptic number.

245643515002 is a deficient number, since it is larger than the sum of its proper divisors (131071048838).

245643515002 is a wasteful number, since it uses less digits than its factorization.

245643515002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2844525.

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 245643515002 in words is "two hundred forty-five billion, six hundred forty-three million, five hundred fifteen thousand, two".