1143241452 has 60 divisors (see below), whose sum is σ = 2995506976. Its totient is φ = 380207520.

The previous prime is 1143241447. The next prime is 1143241471. The reversal of 1143241452 is 2541423411.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 146202 + ... + 153822.

Almost surely, 2^1143241452 is an apocalyptic number.

1143241452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1143241452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1497753488).

1143241452 is an abundant number, since it is smaller than the sum of its proper divisors (1852265524).

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

1143241452 is a wasteful number, since it uses less digits than its factorization.

1143241452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8100 (or 8089 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 1143241452 is about 33811.8537202562. The cubic root of 1143241452 is about 1045.6330960692.

Adding to 1143241452 its reverse (2541423411), we get a palindrome (3684664863).

The spelling of 1143241452 in words is "one billion, one hundred forty-three million, two hundred forty-one thousand, four hundred fifty-two".