3768285145 has 4 divisors (see below), whose sum is σ = 4521942180. Its totient is φ = 3014628112.

The previous prime is 3768285137. The next prime is 3768285149. The reversal of 3768285145 is 5415828673.

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 2082279424 + 1686005721 = 45632^2 + 41061^2 .

It is a cyclic number.

It is not a de Polignac number, because 3768285145 - 2³ = 3768285137 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (3768285149) by changing a digit.

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, 376828510 + ... + 376828519.

It is an arithmetic number, because the mean of its divisors is an integer number (1130485545).

Almost surely, 2^3768285145 is an apocalyptic number.

It is an amenable number.

3768285145 is a deficient number, since it is larger than the sum of its proper divisors (753657035).

3768285145 is an equidigital number, since it uses as much as digits as its factorization.

3768285145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753657034.

The product of its digits is 1612800, while the sum is 49.

The square root of 3768285145 is about 61386.3596004845. The cubic root of 3768285145 is about 1556.1373241003.

The spelling of 3768285145 in words is "three billion, seven hundred sixty-eight million, two hundred eighty-five thousand, one hundred forty-five".