16015530145 has 4 divisors (see below), whose sum is σ = 19218636180. Its totient is φ = 12812424112.

The previous prime is 16015530107. The next prime is 16015530161. The reversal of 16015530145 is 54103551061.

It is a happy number.

16015530145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5691344481 + 10324185664 = 75441^2 + 101608^2 .

It is a cyclic number.

It is not a de Polignac number, because 16015530145 - 2¹³ = 16015521953 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1601553010 + ... + 1601553019.

It is an arithmetic number, because the mean of its divisors is an integer number (4804659045).

Almost surely, 2^16015530145 is an apocalyptic number.

It is an amenable number.

16015530145 is a deficient number, since it is larger than the sum of its proper divisors (3203106035).

16015530145 is an equidigital number, since it uses as much as digits as its factorization.

16015530145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3203106034.

The product of its (nonzero) digits is 9000, while the sum is 31.

The spelling of 16015530145 in words is "sixteen billion, fifteen million, five hundred thirty thousand, one hundred forty-five".