2043286145 has 4 divisors (see below), whose sum is σ = 2451943380. Its totient is φ = 1634628912.

The previous prime is 2043286123. The next prime is 2043286159. The reversal of 2043286145 is 5416823402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5416823402 = 2 ⋅2708411701.

It can be written as a sum of positive squares in 2 ways, for example, as 341806144 + 1701480001 = 18488^2 + 41249^2 .

It is a cyclic number.

It is not a de Polignac number, because 2043286145 - 2⁸ = 2043285889 is a prime.

It is a super-2 number, since 2×2043286145² = 8350036540697922050, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204328610 + ... + 204328619.

It is an arithmetic number, because the mean of its divisors is an integer number (612985845).

Almost surely, 2^2043286145 is an apocalyptic number.

It is an amenable number.

2043286145 is a deficient number, since it is larger than the sum of its proper divisors (408657235).

2043286145 is an equidigital number, since it uses as much as digits as its factorization.

2043286145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408657234.

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 2043286145 is about 45202.7227609134. The cubic root of 2043286145 is about 1268.9457729883.

The spelling of 2043286145 in words is "two billion, forty-three million, two hundred eighty-six thousand, one hundred forty-five".