16462945 has 4 divisors (see below), whose sum is σ = 19755540. Its totient is φ = 13170352.

The previous prime is 16462933. The next prime is 16462961. The reversal of 16462945 is 54926461.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3038049 + 13424896 = 1743^2 + 3664^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16462945 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1646290 + ... + 1646299.

It is an arithmetic number, because the mean of its divisors is an integer number (4938885).

Almost surely, 2^16462945 is an apocalyptic number.

It is an amenable number.

16462945 is a deficient number, since it is larger than the sum of its proper divisors (3292595).

16462945 is an equidigital number, since it uses as much as digits as its factorization.

16462945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3292594.

The product of its digits is 51840, while the sum is 37.

The square root of 16462945 is about 4057.4554834280. The cubic root of 16462945 is about 254.3914490306.

The spelling of 16462945 in words is "sixteen million, four hundred sixty-two thousand, nine hundred forty-five".