1144440302 has 8 divisors (see below), whose sum is σ = 1791297936. Its totient is φ = 547340992.

The previous prime is 1144440293. The next prime is 1144440329. The reversal of 1144440302 is 2030444411.

It is a happy number.

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

It is a super-3 number, since 3×1144440302³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent 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, 12439523 + ... + 12439614.

It is an arithmetic number, because the mean of its divisors is an integer number (223912242).

Almost surely, 2^1144440302 is an apocalyptic number.

1144440302 is a deficient number, since it is larger than the sum of its proper divisors (646857634).

1144440302 is a wasteful number, since it uses less digits than its factorization.

1144440302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24879162.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1144440302 is about 33829.5773251751. The cubic root of 1144440302 is about 1045.9984663395.

Adding to 1144440302 its reverse (2030444411), we get a palindrome (3174884713).

The spelling of 1144440302 in words is "one billion, one hundred forty-four million, four hundred forty thousand, three hundred two".