13545202004445 has 32 divisors (see below), whose sum is σ = 22885856841600. Its totient is φ = 6822026025984.

The previous prime is 13545202004443. The next prime is 13545202004599. The reversal of 13545202004445 is 54440020254531.

It is not a de Polignac number, because 13545202004445 - 2¹ = 13545202004443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13545202004441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75832560 + ... + 76010969.

It is an arithmetic number, because the mean of its divisors is an integer number (715183026300).

Almost surely, 2^{13545202004445} is an apocalyptic number.

13545202004445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13545202004445 is a deficient number, since it is larger than the sum of its proper divisors (9340654837155).

13545202004445 is a wasteful number, since it uses less digits than its factorization.

13545202004445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151843869.

The product of its (nonzero) digits is 384000, while the sum is 39.

Adding to 13545202004445 its reverse (54440020254531), we get a palindrome (67985222258976).

The spelling of 13545202004445 in words is "thirteen trillion, five hundred forty-five billion, two hundred two million, four thousand, four hundred forty-five".