2148234304145 has 4 divisors (see below), whose sum is σ = 2577881164980. Its totient is φ = 1718587443312.

The previous prime is 2148234304129. The next prime is 2148234304169. The reversal of 2148234304145 is 5414034328412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 583475988736 + 1564758315409 = 763856^2 + 1250903^2 .

It is a cyclic number.

It is not a de Polignac number, because 2148234304145 - 2⁴ = 2148234304129 is a prime.

It is a super-2 number, since 2×2148234304145² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214823430410 + ... + 214823430419.

It is an arithmetic number, because the mean of its divisors is an integer number (644470291245).

Almost surely, 2^{2148234304145} is an apocalyptic number.

It is an amenable number.

2148234304145 is a deficient number, since it is larger than the sum of its proper divisors (429646860835).

2148234304145 is an equidigital number, since it uses as much as digits as its factorization.

2148234304145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429646860834.

The product of its (nonzero) digits is 368640, while the sum is 41.

The spelling of 2148234304145 in words is "two trillion, one hundred forty-eight billion, two hundred thirty-four million, three hundred four thousand, one hundred forty-five".