1143514372 has 108 divisors (see below), whose sum is σ = 2756299980. Its totient is φ = 411143040.

The previous prime is 1143514369. The next prime is 1143514387. The reversal of 1143514372 is 2734153411.

It can be written as a sum of positive squares in 2 ways, for example, as 232440516 + 911073856 = 15246^2 + 30184^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 306454 + ... + 310162.

Almost surely, 2^1143514372 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1143514372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1378149990).

1143514372 is an abundant number, since it is smaller than the sum of its proper divisors (1612785608).

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

1143514372 is a wasteful number, since it uses less digits than its factorization.

1143514372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3762 (or 3742 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 1143514372 is about 33815.8893421421. The cubic root of 1143514372 is about 1045.7162956064.

Adding to 1143514372 its reverse (2734153411), we get a palindrome (3877667783).

It can be divided in two parts, 1143 and 514372, that added together give a palindrome (515515).

The spelling of 1143514372 in words is "one billion, one hundred forty-three million, five hundred fourteen thousand, three hundred seventy-two".