245220412143 has 24 divisors (see below), whose sum is σ = 380743708032. Its totient is φ = 139977902064.

The previous prime is 245220412141. The next prime is 245220412147. The reversal of 245220412143 is 341214022542.

It is a happy number.

245220412143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 245220412143 - 2¹ = 245220412141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 245220412143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245220412141) 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 23 ways as a sum of consecutive naturals, for example, 741555 + ... + 1019972.

It is an arithmetic number, because the mean of its divisors is an integer number (15864321168).

Almost surely, 2^245220412143 is an apocalyptic number.

245220412143 is a deficient number, since it is larger than the sum of its proper divisors (135523295889).

245220412143 is a wasteful number, since it uses less digits than its factorization.

245220412143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1762491 (or 1762484 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 245220412143 its reverse (341214022542), we get a palindrome (586434434685).

The spelling of 245220412143 in words is "two hundred forty-five billion, two hundred twenty million, four hundred twelve thousand, one hundred forty-three".