1599434545 has 8 divisors (see below), whose sum is σ = 2032222824. Its totient is φ = 1204280064.

The previous prime is 1599434539. The next prime is 1599434549. The reversal of 1599434545 is 5454349951.

It can be written as a sum of positive squares in 4 ways, for example, as 112021056 + 1487413489 = 10584^2 + 38567^2 .

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 1599434545 - 2¹⁵ = 1599401777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1599434549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9408354 + ... + 9408523.

It is an arithmetic number, because the mean of its divisors is an integer number (254027853).

Almost surely, 2^1599434545 is an apocalyptic number.

It is an amenable number.

1599434545 is a deficient number, since it is larger than the sum of its proper divisors (432788279).

1599434545 is a wasteful number, since it uses less digits than its factorization.

1599434545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18816899.

The product of its digits is 1944000, while the sum is 49.

The square root of 1599434545 is about 39992.9311878987. The cubic root of 1599434545 is about 1169.4692956798.

The spelling of 1599434545 in words is "one billion, five hundred ninety-nine million, four hundred thirty-four thousand, five hundred forty-five".