1142144232 has 16 divisors (see below), whose sum is σ = 2855360640. Its totient is φ = 380714736.

The previous prime is 1142144197. The next prime is 1142144233. The reversal of 1142144232 is 2324412411.

It is a super-3 number, since 3×1142144232³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 47589343 = 1142144232 / (1 + 1 + 4 + 2 + 1 + 4 + 4 + 2 + 3 + 2).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1142144233) 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, 23794648 + ... + 23794695.

It is an arithmetic number, because the mean of its divisors is an integer number (178460040).

Almost surely, 2^1142144232 is an apocalyptic number.

1142144232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1142144232 is an abundant number, since it is smaller than the sum of its proper divisors (1713216408).

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

1142144232 is a wasteful number, since it uses less digits than its factorization.

1142144232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47589352 (or 47589348 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

The square root of 1142144232 is about 33795.6244505113. The cubic root of 1142144232 is about 1045.2984753658.

Adding to 1142144232 its reverse (2324412411), we get a palindrome (3466556643).

The spelling of 1142144232 in words is "one billion, one hundred forty-two million, one hundred forty-four thousand, two hundred thirty-two".