2012383145 has 4 divisors (see below), whose sum is σ = 2414859780. Its totient is φ = 1609906512.

The previous prime is 2012383111. The next prime is 2012383181. The reversal of 2012383145 is 5413832102.

It is a happy number.

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 1123389289 + 888993856 = 33517^2 + 29816^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012383145 - 2¹⁰ = 2012382121 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201238310 + ... + 201238319.

It is an arithmetic number, because the mean of its divisors is an integer number (603714945).

Almost surely, 2^2012383145 is an apocalyptic number.

It is an amenable number.

2012383145 is a deficient number, since it is larger than the sum of its proper divisors (402476635).

2012383145 is an equidigital number, since it uses as much as digits as its factorization.

2012383145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402476634.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 2012383145 is about 44859.5936784987. The cubic root of 2012383145 is about 1262.5159991437.

The spelling of 2012383145 in words is "two billion, twelve million, three hundred eighty-three thousand, one hundred forty-five".