16293445 has 16 divisors (see below), whose sum is σ = 23067648. Its totient is φ = 10811520.

The previous prime is 16293427. The next prime is 16293449. The reversal of 16293445 is 54439261.

It is a happy number.

It is not a de Polignac number, because 16293445 - 2⁵ = 16293413 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16293445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16293449) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6424 + ... + 8593.

It is an arithmetic number, because the mean of its divisors is an integer number (1441728).

Almost surely, 2^16293445 is an apocalyptic number.

It is an amenable number.

16293445 is a deficient number, since it is larger than the sum of its proper divisors (6774203).

16293445 is a wasteful number, since it uses less digits than its factorization.

16293445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15060.

The product of its digits is 25920, while the sum is 34.

The square root of 16293445 is about 4036.5139662833. The cubic root of 16293445 is about 253.5153768098.

The spelling of 16293445 in words is "sixteen million, two hundred ninety-three thousand, four hundred forty-five".