7144465 has 4 divisors (see below), whose sum is σ = 8573364. Its totient is φ = 5715568.

The previous prime is 7144457. The next prime is 7144483. The reversal of 7144465 is 5644417.

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 4635409 + 2509056 = 2153^2 + 1584^2 .

It is a cyclic number.

It is not a de Polignac number, because 7144465 - 2³ = 7144457 is a prime.

It is an Ulam number.

It is a Duffinian number.

7144465 is a lucky 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, 714442 + ... + 714451.

It is an arithmetic number, because the mean of its divisors is an integer number (2143341).

Almost surely, 2^7144465 is an apocalyptic number.

It is an amenable number.

7144465 is a deficient number, since it is larger than the sum of its proper divisors (1428899).

7144465 is a wasteful number, since it uses less digits than its factorization.

7144465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428898.

The product of its digits is 13440, while the sum is 31.

The square root of 7144465 is about 2672.9132047263. The cubic root of 7144465 is about 192.6001278167.

The spelling of 7144465 in words is "seven million, one hundred forty-four thousand, four hundred sixty-five".