13154312452545 has 48 divisors (see below), whose sum is σ = 25017387250752. Its totient is φ = 6340982244480.

The previous prime is 13154312452507. The next prime is 13154312452559. The reversal of 13154312452545 is 54525421345131.

13154312452545 is a `hidden beast` number, since 1 + 3 + 1 + 5 + 4 + 31 + 24 + 52 + 545 = 666.

It is not a de Polignac number, because 13154312452545 - 2⁶ = 13154312452481 is a prime.

It is a super-3 number, since 3×13154312452545³ (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 13154312452545.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 76718899 + ... + 76890168.

It is an arithmetic number, because the mean of its divisors is an integer number (521195567724).

Almost surely, 2^{13154312452545} is an apocalyptic number.

13154312452545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13154312452545 is a deficient number, since it is larger than the sum of its proper divisors (11863074798207).

13154312452545 is a wasteful number, since it uses less digits than its factorization.

13154312452545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153609262 (or 153609259 counting only the distinct ones).

The product of its digits is 1440000, while the sum is 45.

Adding to 13154312452545 its reverse (54525421345131), we get a palindrome (67679733797676).

The spelling of 13154312452545 in words is "thirteen trillion, one hundred fifty-four billion, three hundred twelve million, four hundred fifty-two thousand, five hundred forty-five".