245042143323215 has 32 divisors (see below), whose sum is σ = 355833282714624. Its totient is φ = 158141565227520.

The previous prime is 245042143323121. The next prime is 245042143323251. The reversal of 245042143323215 is 512323341240542.

It is not a de Polignac number, because 245042143323215 - 2¹⁸ = 245042143061071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24602900 + ... + 33096630.

It is an arithmetic number, because the mean of its divisors is an integer number (11119790084832).

Almost surely, 2^{245042143323215} is an apocalyptic number.

245042143323215 is a deficient number, since it is larger than the sum of its proper divisors (110791139391409).

245042143323215 is a wasteful number, since it uses less digits than its factorization.

245042143323215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8542247.

The product of its (nonzero) digits is 691200, while the sum is 41.

Adding to 245042143323215 its reverse (512323341240542), we get a palindrome (757365484563757).

The spelling of 245042143323215 in words is "two hundred forty-five trillion, forty-two billion, one hundred forty-three million, three hundred twenty-three thousand, two hundred fifteen".