1133443144 has 16 divisors (see below), whose sum is σ = 2130260220. Its totient is φ = 565373760.

The previous prime is 1133443139. The next prime is 1133443147. The reversal of 1133443144 is 4413443311.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1000963044 + 132480100 = 31638^2 + 11510^2 .

It is not an unprimeable number, because it can be changed into a prime (1133443147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164899 + ... + 171634.

Almost surely, 2^1133443144 is an apocalyptic number.

It is an amenable number.

1133443144 is a deficient number, since it is larger than the sum of its proper divisors (996817076).

1133443144 is a wasteful number, since it uses less digits than its factorization.

1133443144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336960 (or 336956 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 1133443144 is about 33666.6473531298. The cubic root of 1133443144 is about 1042.6372736056.

Adding to 1133443144 its reverse (4413443311), we get a palindrome (5546886455).

The spelling of 1133443144 in words is "one billion, one hundred thirty-three million, four hundred forty-three thousand, one hundred forty-four".