16288945 has 16 divisors (see below), whose sum is σ = 20528640. Its totient is φ = 12384064.

The previous prime is 16288939. The next prime is 16288957. The reversal of 16288945 is 54988261.

It is a happy number.

16288945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 16288945 - 2⁵ = 16288913 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22296 + ... + 23014.

It is an arithmetic number, because the mean of its divisors is an integer number (1283040).

Almost surely, 2^16288945 is an apocalyptic number.

It is an amenable number.

16288945 is a deficient number, since it is larger than the sum of its proper divisors (4239695).

16288945 is a wasteful number, since it uses less digits than its factorization.

16288945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944.

The product of its digits is 138240, while the sum is 43.

The square root of 16288945 is about 4035.9565161186. The cubic root of 16288945 is about 253.4920356392.

The spelling of 16288945 in words is "sixteen million, two hundred eighty-eight thousand, nine hundred forty-five".