18145347240135 has 16 divisors (see below), whose sum is σ = 29032726972896. Its totient is φ = 9677461398528.

The previous prime is 18145347240107. The next prime is 18145347240161. The reversal of 18145347240135 is 53104274354181.

It is a happy number.

It is not a de Polignac number, because 18145347240135 - 2¹⁰ = 18145347239111 is a prime.

It is a super-2 number, since 2×18145347240135² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 879534 + ... + 6088043.

It is an arithmetic number, because the mean of its divisors is an integer number (1814545435806).

Almost surely, 2^{18145347240135} is an apocalyptic number.

18145347240135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18145347240135 is a deficient number, since it is larger than the sum of its proper divisors (10887379732761).

18145347240135 is a wasteful number, since it uses less digits than its factorization.

18145347240135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7141202.

The product of its (nonzero) digits is 1612800, while the sum is 48.

The spelling of 18145347240135 in words is "eighteen trillion, one hundred forty-five billion, three hundred forty-seven million, two hundred forty thousand, one hundred thirty-five".