1144467788 has 12 divisors (see below), whose sum is σ = 2004127440. Its totient is φ = 571859952.

The previous prime is 1144467769. The next prime is 1144467799. The reversal of 1144467788 is 8877644411.

It is a super-2 number, since 2×1144467788² = 2619613035539225888, which contains 22 as substring.

It is a plaindrome in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86543 + ... + 98886.

It is an arithmetic number, because the mean of its divisors is an integer number (167010620).

Almost surely, 2^1144467788 is an apocalyptic number.

It is an amenable number.

1144467788 is a deficient number, since it is larger than the sum of its proper divisors (859659652).

1144467788 is a wasteful number, since it uses less digits than its factorization.

1144467788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186976 (or 186974 counting only the distinct ones).

The product of its digits is 1204224, while the sum is 50.

The square root of 1144467788 is about 33829.9835648792. The cubic root of 1144467788 is about 1046.0068401806.

The spelling of 1144467788 in words is "one billion, one hundred forty-four million, four hundred sixty-seven thousand, seven hundred eighty-eight".