245131052143 has 4 divisors (see below), whose sum is σ = 245667444400. Its totient is φ = 244594659888.

The previous prime is 245131052141. The next prime is 245131052183. The reversal of 245131052143 is 341250131542.

245131052143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341250131542 = 2 ⋅170625065771.

It is a cyclic number.

It is not a de Polignac number, because 245131052143 - 2¹ = 245131052141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245131052141) 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 3 ways as a sum of consecutive naturals, for example, 268195443 + ... + 268196356.

It is an arithmetic number, because the mean of its divisors is an integer number (61416861100).

Almost surely, 2^245131052143 is an apocalyptic number.

245131052143 is a deficient number, since it is larger than the sum of its proper divisors (536392257).

245131052143 is an equidigital number, since it uses as much as digits as its factorization.

245131052143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536392256.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 245131052143 its reverse (341250131542), we get a palindrome (586381183685).

The spelling of 245131052143 in words is "two hundred forty-five billion, one hundred thirty-one million, fifty-two thousand, one hundred forty-three".