16752145 has 4 divisors (see below), whose sum is σ = 20102580. Its totient is φ = 13401712.

The previous prime is 16752133. The next prime is 16752173. The reversal of 16752145 is 54125761.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54125761 = 6949 ⋅7789.

It can be written as a sum of positive squares in 2 ways, for example, as 5253264 + 11498881 = 2292^2 + 3391^2 .

It is a cyclic number.

It is not a de Polignac number, because 16752145 - 2⁹ = 16751633 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 1675210 + ... + 1675219.

It is an arithmetic number, because the mean of its divisors is an integer number (5025645).

Almost surely, 2^16752145 is an apocalyptic number.

It is an amenable number.

16752145 is a deficient number, since it is larger than the sum of its proper divisors (3350435).

16752145 is an equidigital number, since it uses as much as digits as its factorization.

16752145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3350434.

The product of its digits is 8400, while the sum is 31.

The square root of 16752145 is about 4092.9384310053. The cubic root of 16752145 is about 255.8724187284.

The spelling of 16752145 in words is "sixteen million, seven hundred fifty-two thousand, one hundred forty-five".