245205142113 has 16 divisors (see below), whose sum is σ = 346189999680. Its totient is φ = 153846191616.

The previous prime is 245205142103. The next prime is 245205142123. The reversal of 245205142113 is 311241502542.

245205142113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (245205142103) and next prime (245205142123).

It is not a de Polignac number, because 245205142113 - 2¹⁰ = 245205141089 is a prime.

It is a super-2 number, since 2×245205142113² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (245205142103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 953533 + ... + 1183061.

It is an arithmetic number, because the mean of its divisors is an integer number (21636874980).

Almost surely, 2^245205142113 is an apocalyptic number.

It is an amenable number.

245205142113 is a deficient number, since it is larger than the sum of its proper divisors (100984857567).

245205142113 is a wasteful number, since it uses less digits than its factorization.

245205142113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250496.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 245205142113 its reverse (311241502542), we get a palindrome (556446644655).

The spelling of 245205142113 in words is "two hundred forty-five billion, two hundred five million, one hundred forty-two thousand, one hundred thirteen".