4144465 has 8 divisors (see below), whose sum is σ = 5356008. Its totient is φ = 3060480.

The previous prime is 4144457. The next prime is 4144471. The reversal of 4144465 is 5644414.

It can be written as a sum of positive squares in 4 ways, for example, as 271441 + 3873024 = 521^2 + 1968^2 .

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

It is not a de Polignac number, because 4144465 - 2³ = 4144457 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31816 + ... + 31945.

It is an arithmetic number, because the mean of its divisors is an integer number (669501).

Almost surely, 2^4144465 is an apocalyptic number.

It is an amenable number.

4144465 is a deficient number, since it is larger than the sum of its proper divisors (1211543).

4144465 is a wasteful number, since it uses less digits than its factorization.

4144465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63779.

The product of its digits is 7680, while the sum is 28.

The square root of 4144465 is about 2035.7959131504. The cubic root of 4144465 is about 160.6285819829.

Adding to 4144465 its reverse (5644414), we get a palindrome (9788879).

The spelling of 4144465 in words is "four million, one hundred forty-four thousand, four hundred sixty-five".