1142544030 has 64 divisors (see below), whose sum is σ = 2883297600. Its totient is φ = 289336320.

The previous prime is 1142543971. The next prime is 1142544049. The reversal of 1142544030 is 304452411.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42306 + ... + 63834.

It is an arithmetic number, because the mean of its divisors is an integer number (45051525).

Almost surely, 2^1142544030 is an apocalyptic number.

1142544030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1142544030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1441648800).

1142544030 is an abundant number, since it is smaller than the sum of its proper divisors (1740753570).

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

1142544030 is a wasteful number, since it uses less digits than its factorization.

1142544030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21629.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1142544030 is about 33801.5388702941. The cubic root of 1142544030 is about 1045.4204271228.

Adding to 1142544030 its reverse (304452411), we get a palindrome (1446996441).

It can be divided in two parts, 11425 and 44030, that added together give a palindrome (55455).

The spelling of 1142544030 in words is "one billion, one hundred forty-two million, five hundred forty-four thousand, thirty".