4365445 has 16 divisors (see below), whose sum is σ = 6150528. Its totient is φ = 2911680.

The previous prime is 4365443. The next prime is 4365509. The reversal of 4365445 is 5445634.

It is not a de Polignac number, because 4365445 - 2¹ = 4365443 is a prime.

It is a super-2 number, since 2×4365445² = 38114220096050, which contains 22 as substring.

It is a d-powerful number, because it can be written as 4² + 3⁹ + 6⁵ + 5 + 4⁸ + 4¹¹ + 5⁷ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4365443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391 + ... + 2980.

It is an arithmetic number, because the mean of its divisors is an integer number (384408).

Almost surely, 2^4365445 is an apocalyptic number.

It is an amenable number.

4365445 is a deficient number, since it is larger than the sum of its proper divisors (1785083).

4365445 is a wasteful number, since it uses less digits than its factorization.

4365445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3420.

The product of its digits is 28800, while the sum is 31.

The square root of 4365445 is about 2089.3647359903. The cubic root of 4365445 is about 163.4341619098.

The spelling of 4365445 in words is "four million, three hundred sixty-five thousand, four hundred forty-five".