380335145 has 16 divisors (see below), whose sum is σ = 472752720. Its totient is φ = 293395200.

The previous prime is 380335121. The next prime is 380335159. The reversal of 380335145 is 541533083.

It can be written as a sum of positive squares in 8 ways, for example, as 28847641 + 351487504 = 5371^2 + 18748^2 .

It is a de Polignac number, because none of the positive numbers 2^k-380335145 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170135 + ... + 172355.

It is an arithmetic number, because the mean of its divisors is an integer number (29547045).

Almost surely, 2^380335145 is an apocalyptic number.

It is an amenable number.

380335145 is a deficient number, since it is larger than the sum of its proper divisors (92417575).

380335145 is a wasteful number, since it uses less digits than its factorization.

380335145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3436.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 380335145 is about 19502.1830829269. The cubic root of 380335145 is about 724.5285210425.

The spelling of 380335145 in words is "three hundred eighty million, three hundred thirty-five thousand, one hundred forty-five".