1144454405 has 8 divisors (see below), whose sum is σ = 1420702200. Its totient is φ = 883992256.

The previous prime is 1144454357. The next prime is 1144454419. The reversal of 1144454405 is 5044544411.

It can be written as a sum of positive squares in 4 ways, for example, as 297528001 + 846926404 = 17249^2 + 29102^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1144454405 - 2¹² = 1144450309 is a prime.

It is a congruent 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, 3946250 + ... + 3946539.

It is an arithmetic number, because the mean of its divisors is an integer number (177587775).

Almost surely, 2^1144454405 is an apocalyptic number.

It is an amenable number.

1144454405 is a deficient number, since it is larger than the sum of its proper divisors (276247795).

1144454405 is an equidigital number, since it uses as much as digits as its factorization.

1144454405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7892823.

The product of its (nonzero) digits is 25600, while the sum is 32.

The square root of 1144454405 is about 33829.7857663923. The cubic root of 1144454405 is about 1046.0027629539.

Adding to 1144454405 its reverse (5044544411), we get a palindrome (6188998816).

The spelling of 1144454405 in words is "one billion, one hundred forty-four million, four hundred fifty-four thousand, four hundred five".