16045789 has 4 divisors (see below), whose sum is σ = 16743456. Its totient is φ = 15348124.

The previous prime is 16045741. The next prime is 16045811. The reversal of 16045789 is 98754061.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16045789 - 2¹⁵ = 16013021 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16045489) 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, 348799 + ... + 348844.

It is an arithmetic number, because the mean of its divisors is an integer number (4185864).

Almost surely, 2^16045789 is an apocalyptic number.

It is an amenable number.

16045789 is a deficient number, since it is larger than the sum of its proper divisors (697667).

16045789 is an equidigital number, since it uses as much as digits as its factorization.

16045789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697666.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 16045789 is about 4005.7195358637. The cubic root of 16045789 is about 252.2243582253.

The spelling of 16045789 in words is "sixteen million, forty-five thousand, seven hundred eighty-nine".