16299145 has 4 divisors (see below), whose sum is σ = 19558980. Its totient is φ = 13039312.

The previous prime is 16299137. The next prime is 16299161. The reversal of 16299145 is 54199261.

16299145 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, and also an emirpimes, since its reverse is a distinct semiprime: 54199261 = 6047 ⋅8963.

It can be written as a sum of positive squares in 2 ways, for example, as 1798281 + 14500864 = 1341^2 + 3808^2 .

It is a cyclic number.

It is not a de Polignac number, because 16299145 - 2³ = 16299137 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1629910 + ... + 1629919.

It is an arithmetic number, because the mean of its divisors is an integer number (4889745).

Almost surely, 2^16299145 is an apocalyptic number.

It is an amenable number.

16299145 is a deficient number, since it is larger than the sum of its proper divisors (3259835).

16299145 is an equidigital number, since it uses as much as digits as its factorization.

16299145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3259834.

The product of its digits is 19440, while the sum is 37.

The square root of 16299145 is about 4037.2199593284. The cubic root of 16299145 is about 253.5449361238.

The spelling of 16299145 in words is "sixteen million, two hundred ninety-nine thousand, one hundred forty-five".