13145420115 has 96 divisors (see below), whose sum is σ = 24233803776. Its totient is φ = 6578288640.

The previous prime is 13145420107. The next prime is 13145420143. The reversal of 13145420115 is 51102454131.

13145420115 is a `hidden beast` number, since 1 + 3 + 1 + 4 + 542 + 0 + 115 = 666.

13145420115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13145420115 - 2³ = 13145420107 is a prime.

It is a super-2 number, since 2×13145420115² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12749650 + ... + 12750680.

It is an arithmetic number, because the mean of its divisors is an integer number (252435456).

Almost surely, 2^13145420115 is an apocalyptic number.

13145420115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13145420115 is a deficient number, since it is larger than the sum of its proper divisors (11088383661).

13145420115 is a wasteful number, since it uses less digits than its factorization.

13145420115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289 (or 1286 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 13145420115 its reverse (51102454131), we get a palindrome (64247874246).

The spelling of 13145420115 in words is "thirteen billion, one hundred forty-five million, four hundred twenty thousand, one hundred fifteen".