16145287 has 4 divisors (see below), whose sum is σ = 16847280. Its totient is φ = 15443296.

The previous prime is 16145251. The next prime is 16145303. The reversal of 16145287 is 78254161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78254161 = 79 ⋅990559.

It is a cyclic number.

It is not a de Polignac number, because 16145287 - 2¹⁵ = 16112519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16145887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350962 + ... + 351007.

It is an arithmetic number, because the mean of its divisors is an integer number (4211820).

Almost surely, 2^16145287 is an apocalyptic number.

16145287 is a deficient number, since it is larger than the sum of its proper divisors (701993).

16145287 is an equidigital number, since it uses as much as digits as its factorization.

16145287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701992.

The product of its digits is 13440, while the sum is 34.

The square root of 16145287 is about 4018.1198339522. The cubic root of 16145287 is about 252.7446219346.

The spelling of 16145287 in words is "sixteen million, one hundred forty-five thousand, two hundred eighty-seven".