1133144442 has 48 divisors (see below), whose sum is σ = 2506870080. Its totient is φ = 369809856.

The previous prime is 1133144437. The next prime is 1133144447. The reversal of 1133144442 is 2444413311.

It is an interprime number because it is at equal distance from previous prime (1133144437) and next prime (1133144447).

It is not an unprimeable number, because it can be changed into a prime (1133144447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 277278 + ... + 281334.

It is an arithmetic number, because the mean of its divisors is an integer number (52226460).

Almost surely, 2^1133144442 is an apocalyptic number.

1133144442 is an abundant number, since it is smaller than the sum of its proper divisors (1373725638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1133144442 is a wasteful number, since it uses less digits than its factorization.

1133144442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4387 (or 4384 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 1133144442 is about 33662.2108899579. The cubic root of 1133144442 is about 1042.5456750687.

Adding to 1133144442 its reverse (2444413311), we get a palindrome (3577557753).

The spelling of 1133144442 in words is "one billion, one hundred thirty-three million, one hundred forty-four thousand, four hundred forty-two".