245343322515 has 32 divisors (see below), whose sum is σ = 397156032000. Its totient is φ = 129319301376.

The previous prime is 245343322513. The next prime is 245343322547. The reversal of 245343322515 is 515223343542.

It is not a de Polignac number, because 245343322515 - 2¹ = 245343322513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245343322513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 611839 + ... + 930071.

It is an arithmetic number, because the mean of its divisors is an integer number (12411126000).

Almost surely, 2^245343322515 is an apocalyptic number.

245343322515 is a deficient number, since it is larger than the sum of its proper divisors (151812709485).

245343322515 is a wasteful number, since it uses less digits than its factorization.

245343322515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318843.

The product of its digits is 432000, while the sum is 39.

The spelling of 245343322515 in words is "two hundred forty-five billion, three hundred forty-three million, three hundred twenty-two thousand, five hundred fifteen".