13143621042045 has 40 divisors (see below), whose sum is σ = 25373554477656. Its totient is φ = 6470705741184.

The previous prime is 13143621042037. The next prime is 13143621042053. The reversal of 13143621042045 is 54024012634131.

13143621042045 is a `hidden beast` number, since 1 + 3 + 1 + 4 + 3 + 621 + 0 + 4 + 20 + 4 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (13143621042037) and next prime (13143621042053).

It can be written as a sum of positive squares in 4 ways, for example, as 1482837127524 + 11660783914521 = 1217718^2 + 3414789^2 .

It is not a de Polignac number, because 13143621042045 - 2³ = 13143621042037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1248201862 + ... + 1248212391.

Almost surely, 2^{13143621042045} is an apocalyptic number.

13143621042045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13143621042045 is a deficient number, since it is larger than the sum of its proper divisors (12229933435611).

13143621042045 is a wasteful number, since it uses less digits than its factorization.

13143621042045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2496414283 (or 2496414274 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

Adding to 13143621042045 its reverse (54024012634131), we get a palindrome (67167633676176).

The spelling of 13143621042045 in words is "thirteen trillion, one hundred forty-three billion, six hundred twenty-one million, forty-two thousand, forty-five".