380045161 has 2 divisors, whose sum is σ = 380045162. Its totient is φ = 380045160.

The previous prime is 380045153. The next prime is 380045233. The reversal of 380045161 is 161540083.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 215179561 + 164865600 = 14669^2 + 12840^2 .

It is an emirp because it is prime and its reverse (161540083) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 380045161 - 2³ = 380045153 is a prime.

It is not a weakly prime, because it can be changed into another prime (380045101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190022580 + 190022581.

It is an arithmetic number, because the mean of its divisors is an integer number (190022581).

Almost surely, 2^380045161 is an apocalyptic number.

It is an amenable number.

380045161 is a deficient number, since it is larger than the sum of its proper divisors (1).

380045161 is an equidigital number, since it uses as much as digits as its factorization.

380045161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 380045161 is about 19494.7470104128. The cubic root of 380045161 is about 724.3443369083.

The spelling of 380045161 in words is "three hundred eighty million, forty-five thousand, one hundred sixty-one".