1144311404 has 24 divisors (see below), whose sum is σ = 2112154800. Its totient is φ = 540959040.

The previous prime is 1144311403. The next prime is 1144311409. The reversal of 1144311404 is 4041134411.

It is a self number, because there is not a number n which added to its sum of digits gives 1144311404.

It is not an unprimeable number, because it can be changed into a prime (1144311403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23894 + ... + 53474.

It is an arithmetic number, because the mean of its divisors is an integer number (88006450).

Almost surely, 2^1144311404 is an apocalyptic number.

It is an amenable number.

1144311404 is a deficient number, since it is larger than the sum of its proper divisors (967843396).

1144311404 is a wasteful number, since it uses less digits than its factorization.

1144311404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30113 (or 30111 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 1144311404 is about 33827.6721634818. The cubic root of 1144311404 is about 1045.9591946908.

Adding to 1144311404 its reverse (4041134411), we get a palindrome (5185445815).

The spelling of 1144311404 in words is "one billion, one hundred forty-four million, three hundred eleven thousand, four hundred four".