361205545 has 8 divisors (see below), whose sum is σ = 458943624. Its totient is φ = 271966464.

The previous prime is 361205543. The next prime is 361205557. The reversal of 361205545 is 545502163.

It can be written as a sum of positive squares in 4 ways, for example, as 168662169 + 192543376 = 12987^2 + 13876^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 361205545 - 2¹ = 361205543 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (361205543) 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, 2124654 + ... + 2124823.

It is an arithmetic number, because the mean of its divisors is an integer number (57367953).

Almost surely, 2^361205545 is an apocalyptic number.

It is an amenable number.

361205545 is a deficient number, since it is larger than the sum of its proper divisors (97738079).

361205545 is a wasteful number, since it uses less digits than its factorization.

361205545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4249499.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 361205545 is about 19005.4083092156. The cubic root of 361205545 is about 712.1718492997.

The spelling of 361205545 in words is "three hundred sixty-one million, two hundred five thousand, five hundred forty-five".