16045745 has 8 divisors (see below), whose sum is σ = 19570920. Its totient is φ = 12625920.

The previous prime is 16045741. The next prime is 16045811. The reversal of 16045745 is 54754061.

It can be written as a sum of positive squares in 4 ways, for example, as 1430416 + 14615329 = 1196^2 + 3823^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16045745 - 2² = 16045741 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16045741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26000 + ... + 26609.

It is an arithmetic number, because the mean of its divisors is an integer number (2446365).

Almost surely, 2^16045745 is an apocalyptic number.

It is an amenable number.

16045745 is a deficient number, since it is larger than the sum of its proper divisors (3525175).

16045745 is an equidigital number, since it uses as much as digits as its factorization.

16045745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52675.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 16045745 is about 4005.7140437131. The cubic root of 16045745 is about 252.2241276793.

The spelling of 16045745 in words is "sixteen million, forty-five thousand, seven hundred forty-five".