380045 has 8 divisors (see below), whose sum is σ = 471960. Its totient is φ = 293440.

The previous prime is 380041. The next prime is 380047. The reversal of 380045 is 540083.

It can be written as a sum of positive squares in 4 ways, for example, as 90601 + 289444 = 301^2 + 538^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 380045 - 2² = 380041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 379999 and 380026.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 380045.

It is not an unprimeable number, because it can be changed into a prime (380041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1166 + ... + 1455.

It is an arithmetic number, because the mean of its divisors is an integer number (58995).

2³⁸⁰⁰⁴⁵ is an apocalyptic number.

It is an amenable number.

380045 is a deficient number, since it is larger than the sum of its proper divisors (91915).

380045 is a wasteful number, since it uses less digits than its factorization.

380045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2655.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 380045 is about 616.4778990361. The cubic root of 380045 is about 72.4344234623.

The spelling of 380045 in words is "three hundred eighty thousand, forty-five".