1545245135105 has 16 divisors (see below), whose sum is σ = 2119495244160. Its totient is φ = 1059445706112.

The previous prime is 1545245135089. The next prime is 1545245135107. The reversal of 1545245135105 is 5015315425451.

It is a cyclic number.

It is not a de Polignac number, because 1545245135105 - 2⁴ = 1545245135089 is a prime.

It is a super-2 number, since 2×1545245135105² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1545245135107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2895500 + ... + 3387389.

It is an arithmetic number, because the mean of its divisors is an integer number (132468452760).

Almost surely, 2^{1545245135105} is an apocalyptic number.

It is an amenable number.

1545245135105 is a deficient number, since it is larger than the sum of its proper divisors (574250109055).

1545245135105 is an equidigital number, since it uses as much as digits as its factorization.

1545245135105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6289928.

The product of its (nonzero) digits is 300000, while the sum is 41.

The spelling of 1545245135105 in words is "one trillion, five hundred forty-five billion, two hundred forty-five million, one hundred thirty-five thousand, one hundred five".