13145431453455 has 48 divisors (see below), whose sum is σ = 24695258901120. Its totient is φ = 5953178000448.

The previous prime is 13145431453439. The next prime is 13145431453459. The reversal of 13145431453455 is 55435413454131.

It is not a de Polignac number, because 13145431453455 - 2⁴ = 13145431453439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13145431453459) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 83495845 + ... + 83653134.

It is an arithmetic number, because the mean of its divisors is an integer number (514484560440).

Almost surely, 2^{13145431453455} is an apocalyptic number.

13145431453455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13145431453455 is a deficient number, since it is larger than the sum of its proper divisors (11549827447665).

13145431453455 is a wasteful number, since it uses less digits than its factorization.

13145431453455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167149108 (or 167149101 counting only the distinct ones).

The product of its digits is 4320000, while the sum is 48.

The spelling of 13145431453455 in words is "thirteen trillion, one hundred forty-five billion, four hundred thirty-one million, four hundred fifty-three thousand, four hundred fifty-five".