2145435555405 has 32 divisors (see below), whose sum is σ = 3457032796800. Its totient is φ = 1136126096640.

The previous prime is 2145435555383. The next prime is 2145435555413. The reversal of 2145435555405 is 5045555345412.

It is not a de Polignac number, because 2145435555405 - 2¹⁷ = 2145435424333 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5817615 + ... + 6175395.

It is an arithmetic number, because the mean of its divisors is an integer number (108032274900).

Almost surely, 2^{2145435555405} is an apocalyptic number.

It is an amenable number.

2145435555405 is a deficient number, since it is larger than the sum of its proper divisors (1311597241395).

2145435555405 is a wasteful number, since it uses less digits than its factorization.

2145435555405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360621.

The product of its (nonzero) digits is 6000000, while the sum is 48.

The spelling of 2145435555405 in words is "two trillion, one hundred forty-five billion, four hundred thirty-five million, five hundred fifty-five thousand, four hundred five".