245431606134543 has 8 divisors (see below), whose sum is σ = 328903269135408. Its totient is φ = 162790506945024.

The previous prime is 245431606134521. The next prime is 245431606134661. The reversal of 245431606134543 is 345431606134542.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 245431606134543 - 2⁶ = 245431606134479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245431606134343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207640952146 + ... + 207640953327.

It is an arithmetic number, because the mean of its divisors is an integer number (41112908641926).

Almost surely, 2^{245431606134543} is an apocalyptic number.

245431606134543 is a deficient number, since it is larger than the sum of its proper divisors (83471663000865).

245431606134543 is a wasteful number, since it uses less digits than its factorization.

245431606134543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415281905673.

The product of its (nonzero) digits is 12441600, while the sum is 51.

Subtracting 245431606134543 from its reverse (345431606134542), we obtain a palindrome (99999999999999).

The spelling of 245431606134543 in words is "two hundred forty-five trillion, four hundred thirty-one billion, six hundred six million, one hundred thirty-four thousand, five hundred forty-three".