382740545 has 12 divisors (see below), whose sum is σ = 504838740. Its totient is φ = 278356320.

The previous prime is 382740497. The next prime is 382740559. The reversal of 382740545 is 545047283.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 231770176 + 150970369 = 15224^2 + 12287^2 .

It is not a de Polignac number, because 382740545 - 2¹⁴ = 382724161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 382740499 and 382740508.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 315710 + ... + 316919.

It is an arithmetic number, because the mean of its divisors is an integer number (42069895).

Almost surely, 2^382740545 is an apocalyptic number.

It is an amenable number.

382740545 is a deficient number, since it is larger than the sum of its proper divisors (122098195).

382740545 is a wasteful number, since it uses less digits than its factorization.

382740545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632656 (or 632645 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 38.

The square root of 382740545 is about 19563.7559021779. The cubic root of 382740545 is about 726.0527203833.

The spelling of 382740545 in words is "three hundred eighty-two million, seven hundred forty thousand, five hundred forty-five".