45031131241543 has 4 divisors (see below), whose sum is σ = 45031152124800. Its totient is φ = 45031110358288.

The previous prime is 45031131241463. The next prime is 45031131241573. The reversal of 45031131241543 is 34514213113054.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45031131241543 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 (45031131241573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6778855 + ... + 11662552.

It is an arithmetic number, because the mean of its divisors is an integer number (11257788031200).

Almost surely, 2^{45031131241543} is an apocalyptic number.

45031131241543 is a deficient number, since it is larger than the sum of its proper divisors (20883257).

45031131241543 is a wasteful number, since it uses less digits than its factorization.

45031131241543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20883256.

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 45031131241543 its reverse (34514213113054), we get a palindrome (79545344354597).

The spelling of 45031131241543 in words is "forty-five trillion, thirty-one billion, one hundred thirty-one million, two hundred forty-one thousand, five hundred forty-three".