13144762235545 has 8 divisors (see below), whose sum is σ = 15773813375040. Its totient is φ = 10515743993520.

The previous prime is 13144762235531. The next prime is 13144762235557. The reversal of 13144762235545 is 54553226744131.

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 13144762235545 - 2⁵ = 13144762235513 is a prime.

It is a super-2 number, since 2×13144762235545² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13144762235492 and 13144762235501.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7336605 + ... + 8950714.

It is an arithmetic number, because the mean of its divisors is an integer number (1971726671880).

Almost surely, 2^{13144762235545} is an apocalyptic number.

It is an amenable number.

13144762235545 is a deficient number, since it is larger than the sum of its proper divisors (2629051139495).

13144762235545 is a wasteful number, since it uses less digits than its factorization.

13144762235545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16448735.

The product of its digits is 12096000, while the sum is 52.

Adding to 13144762235545 its reverse (54553226744131), we get a palindrome (67697988979676).

The spelling of 13144762235545 in words is "thirteen trillion, one hundred forty-four billion, seven hundred sixty-two million, two hundred thirty-five thousand, five hundred forty-five".